26049920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 69914880

約数和(自身を除く): 43864960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 101, 104, 124, 128, 130, 155, 160, 202, 208, 248, 260, 310, 320, 403, 404, 416, 496, 505, 520, 620, 640, 806, 808, 832, 992, 1010, 1040, 1240, 1313, 1612, 1616, 1664, 1984, 2015, 2020, 2080, 2480, 2626, 3131, 3224, 3232, 3968, 4030, 4040, 4160, 4960, 5252, 6262, 6448, 6464, 6565, 8060, 8080, 8320, 9920, 10504, 12524, 12896, 12928, 13130, 15655, 16120, 16160, 19840, 21008, 25048, 25792, 26260, 31310, 32240, 32320, 40703, 42016, 50096, 51584, 52520, 62620, 64480, 64640, 81406, 84032, 100192, 105040, 125240, 128960, 162812, 168064, 200384, 203515, 210080, 250480, 257920, 325624, 400768, 407030, 420160, 500960, 651248, 814060, 840320, 1001920, 1302496, 1628120, 2003840, 2604992, 3256240, 5209984, 6512480, 13024960, 26049920]

約数ペア:

[(1, 26049920), (2, 13024960), (4, 6512480), (5, 5209984), (8, 3256240), (10, 2604992), (13, 2003840), (16, 1628120), (20, 1302496), (26, 1001920), (31, 840320), (32, 814060), (40, 651248), (52, 500960), (62, 420160), (64, 407030), (65, 400768), (80, 325624), (101, 257920), (104, 250480), (124, 210080), (128, 203515), (130, 200384), (155, 168064), (160, 162812), (202, 128960), (208, 125240), (248, 105040), (260, 100192), (310, 84032), (320, 81406), (403, 64640), (404, 64480), (416, 62620), (496, 52520), (505, 51584), (520, 50096), (620, 42016), (640, 40703), (806, 32320), (808, 32240), (832, 31310), (992, 26260), (1010, 25792), (1040, 25048), (1240, 21008), (1313, 19840), (1612, 16160), (1616, 16120), (1664, 15655), (1984, 13130), (2015, 12928), (2020, 12896), (2080, 12524), (2480, 10504), (2626, 9920), (3131, 8320), (3224, 8080), (3232, 8060), (3968, 6565), (4030, 6464), (4040, 6448), (4160, 6262), (4960, 5252)]