25401840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2066

約数の個数: 80

約数和(自身を含む): 80271648

約数和(自身を除く): 54869808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 1997, 2120, 2544, 3180, 3994, 4240, 5991, 6360, 7988, 9985, 11982, 12720, 15976, 19970, 23964, 29955, 31952, 39940, 47928, 59910, 79880, 95856, 105841, 119820, 159760, 211682, 239640, 317523, 423364, 479280, 529205, 635046, 846728, 1058410, 1270092, 1587615, 1693456, 2116820, 2540184, 3175230, 4233640, 5080368, 6350460, 8467280, 12700920, 25401840]

約数ペア:

[(1, 25401840), (2, 12700920), (3, 8467280), (4, 6350460), (5, 5080368), (6, 4233640), (8, 3175230), (10, 2540184), (12, 2116820), (15, 1693456), (16, 1587615), (20, 1270092), (24, 1058410), (30, 846728), (40, 635046), (48, 529205), (53, 479280), (60, 423364), (80, 317523), (106, 239640), (120, 211682), (159, 159760), (212, 119820), (240, 105841), (265, 95856), (318, 79880), (424, 59910), (530, 47928), (636, 39940), (795, 31952), (848, 29955), (1060, 23964), (1272, 19970), (1590, 15976), (1997, 12720), (2120, 11982), (2544, 9985), (3180, 7988), (3994, 6360), (4240, 5991)]