16643895040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{4153}}^1$

素因数の和:4306

約数の個数: 144

約数和(自身を含む): 41570839296

約数和(自身を除く): 24926944256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 101, 124, 128, 155, 160, 202, 248, 256, 310, 320, 404, 496, 505, 620, 640, 808, 992, 1010, 1240, 1280, 1616, 1984, 2020, 2480, 3131, 3232, 3968, 4040, 4153, 4960, 6262, 6464, 7936, 8080, 8306, 9920, 12524, 12928, 15655, 16160, 16612, 19840, 20765, 25048, 25856, 31310, 32320, 33224, 39680, 41530, 50096, 62620, 64640, 66448, 83060, 100192, 125240, 128743, 129280, 132896, 166120, 200384, 250480, 257486, 265792, 332240, 400768, 419453, 500960, 514972, 531584, 643715, 664480, 801536, 838906, 1001920, 1029944, 1063168, 1287430, 1328960, 1677812, 2003840, 2059888, 2097265, 2574860, 2657920, 3355624, 4007680, 4119776, 4194530, 5149720, 5315840, 6711248, 8239552, 8389060, 10299440, 13003043, 13422496, 16479104, 16778120, 20598880, 26006086, 26844992, 32958208, 33556240, 41197760, 52012172, 53689984, 65015215, 67112480, 82395520, 104024344, 107379968, 130030430, 134224960, 164791040, 208048688, 260060860, 268449920, 416097376, 520121720, 536899840, 832194752, 1040243440, 1664389504, 2080486880, 3328779008, 4160973760, 8321947520, 16643895040]

約数ペア:

[(1, 16643895040), (2, 8321947520), (4, 4160973760), (5, 3328779008), (8, 2080486880), (10, 1664389504), (16, 1040243440), (20, 832194752), (31, 536899840), (32, 520121720), (40, 416097376), (62, 268449920), (64, 260060860), (80, 208048688), (101, 164791040), (124, 134224960), (128, 130030430), (155, 107379968), (160, 104024344), (202, 82395520), (248, 67112480), (256, 65015215), (310, 53689984), (320, 52012172), (404, 41197760), (496, 33556240), (505, 32958208), (620, 26844992), (640, 26006086), (808, 20598880), (992, 16778120), (1010, 16479104), (1240, 13422496), (1280, 13003043), (1616, 10299440), (1984, 8389060), (2020, 8239552), (2480, 6711248), (3131, 5315840), (3232, 5149720), (3968, 4194530), (4040, 4119776), (4153, 4007680), (4960, 3355624), (6262, 2657920), (6464, 2574860), (7936, 2097265), (8080, 2059888), (8306, 2003840), (9920, 1677812), (12524, 1328960), (12928, 1287430), (15655, 1063168), (16160, 1029944), (16612, 1001920), (19840, 838906), (20765, 801536), (25048, 664480), (25856, 643715), (31310, 531584), (32320, 514972), (33224, 500960), (39680, 419453), (41530, 400768), (50096, 332240), (62620, 265792), (64640, 257486), (66448, 250480), (83060, 200384), (100192, 166120), (125240, 132896), (128743, 129280)]