12906804560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{203449}}^1$

素因数の和:203536

約数の個数: 80

約数和(自身を含む): 32846595600

約数和(自身を除く): 19939791040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1586, 2440, 3172, 3965, 4880, 6344, 7930, 12688, 15860, 31720, 63440, 203449, 406898, 813796, 1017245, 1627592, 2034490, 2644837, 3255184, 4068980, 5289674, 8137960, 10579348, 12410389, 13224185, 16275920, 21158696, 24820778, 26448370, 42317392, 49641556, 52896740, 62051945, 99283112, 105793480, 124103890, 161335057, 198566224, 211586960, 248207780, 322670114, 496415560, 645340228, 806675285, 992831120, 1290680456, 1613350570, 2581360912, 3226701140, 6453402280, 12906804560]

約数ペア:

[(1, 12906804560), (2, 6453402280), (4, 3226701140), (5, 2581360912), (8, 1613350570), (10, 1290680456), (13, 992831120), (16, 806675285), (20, 645340228), (26, 496415560), (40, 322670114), (52, 248207780), (61, 211586960), (65, 198566224), (80, 161335057), (104, 124103890), (122, 105793480), (130, 99283112), (208, 62051945), (244, 52896740), (260, 49641556), (305, 42317392), (488, 26448370), (520, 24820778), (610, 21158696), (793, 16275920), (976, 13224185), (1040, 12410389), (1220, 10579348), (1586, 8137960), (2440, 5289674), (3172, 4068980), (3965, 3255184), (4880, 2644837), (6344, 2034490), (7930, 1627592), (12688, 1017245), (15860, 813796), (31720, 406898), (63440, 203449)]