2553669920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{840023}}^1$

素因数の和:840057

約数の個数: 48

約数和(自身を含む): 6350581440

約数和(自身を除く): 3796911520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 840023, 1680046, 3360092, 4200115, 6720184, 8400230, 13440368, 15960437, 16800460, 26880736, 31920874, 33600920, 63841748, 67201840, 79802185, 127683496, 134403680, 159604370, 255366992, 319208740, 510733984, 638417480, 1276834960, 2553669920]

約数ペア:

[(1, 2553669920), (2, 1276834960), (4, 638417480), (5, 510733984), (8, 319208740), (10, 255366992), (16, 159604370), (19, 134403680), (20, 127683496), (32, 79802185), (38, 67201840), (40, 63841748), (76, 33600920), (80, 31920874), (95, 26880736), (152, 16800460), (160, 15960437), (190, 13440368), (304, 8400230), (380, 6720184), (608, 4200115), (760, 3360092), (1520, 1680046), (3040, 840023)]