1296010040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{2551}}^1$

素因数の和:3552

約数の個数: 64

約数和(自身を含む): 3144778560

約数和(自身を除く): 1848768520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 977, 1954, 2551, 3908, 4885, 5102, 7816, 9770, 10204, 12701, 12755, 19540, 20408, 25402, 25510, 33163, 39080, 50804, 51020, 63505, 66326, 101608, 102040, 127010, 132652, 165815, 254020, 265304, 331630, 508040, 663260, 1326520, 2492327, 4984654, 9969308, 12461635, 19938616, 24923270, 32400251, 49846540, 64800502, 99693080, 129601004, 162001255, 259202008, 324002510, 648005020, 1296010040]

約数ペア:

[(1, 1296010040), (2, 648005020), (4, 324002510), (5, 259202008), (8, 162001255), (10, 129601004), (13, 99693080), (20, 64800502), (26, 49846540), (40, 32400251), (52, 24923270), (65, 19938616), (104, 12461635), (130, 9969308), (260, 4984654), (520, 2492327), (977, 1326520), (1954, 663260), (2551, 508040), (3908, 331630), (4885, 265304), (5102, 254020), (7816, 165815), (9770, 132652), (10204, 127010), (12701, 102040), (12755, 101608), (19540, 66326), (20408, 63505), (25402, 51020), (25510, 50804), (33163, 39080)]