403059520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1080

約数の個数: 112

約数和(自身を含む): 1015934976

約数和(自身を除く): 612875456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 155, 160, 164, 205, 248, 310, 320, 328, 410, 496, 620, 656, 820, 991, 992, 1240, 1271, 1312, 1640, 1982, 1984, 2480, 2542, 2624, 3280, 3964, 4955, 4960, 5084, 6355, 6560, 7928, 9910, 9920, 10168, 12710, 13120, 15856, 19820, 20336, 25420, 30721, 31712, 39640, 40631, 40672, 50840, 61442, 63424, 79280, 81262, 81344, 101680, 122884, 153605, 158560, 162524, 203155, 203360, 245768, 307210, 317120, 325048, 406310, 406720, 491536, 614420, 650096, 812620, 983072, 1228840, 1259561, 1300192, 1625240, 1966144, 2457680, 2519122, 2600384, 3250480, 4915360, 5038244, 6297805, 6500960, 9830720, 10076488, 12595610, 13001920, 20152976, 25191220, 40305952, 50382440, 80611904, 100764880, 201529760, 403059520]

約数ペア:

[(1, 403059520), (2, 201529760), (4, 100764880), (5, 80611904), (8, 50382440), (10, 40305952), (16, 25191220), (20, 20152976), (31, 13001920), (32, 12595610), (40, 10076488), (41, 9830720), (62, 6500960), (64, 6297805), (80, 5038244), (82, 4915360), (124, 3250480), (155, 2600384), (160, 2519122), (164, 2457680), (205, 1966144), (248, 1625240), (310, 1300192), (320, 1259561), (328, 1228840), (410, 983072), (496, 812620), (620, 650096), (656, 614420), (820, 491536), (991, 406720), (992, 406310), (1240, 325048), (1271, 317120), (1312, 307210), (1640, 245768), (1982, 203360), (1984, 203155), (2480, 162524), (2542, 158560), (2624, 153605), (3280, 122884), (3964, 101680), (4955, 81344), (4960, 81262), (5084, 79280), (6355, 63424), (6560, 61442), (7928, 50840), (9910, 40672), (9920, 40631), (10168, 39640), (12710, 31712), (13120, 30721), (15856, 25420), (19820, 20336)]