25179420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59951}}^1$

素因数の和:59970

約数の個数: 48

約数和(自身を含む): 80575488

約数和(自身を除く): 55396068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 59951, 119902, 179853, 239804, 299755, 359706, 419657, 599510, 719412, 839314, 899265, 1199020, 1258971, 1678628, 1798530, 2098285, 2517942, 3597060, 4196570, 5035884, 6294855, 8393140, 12589710, 25179420]

約数ペア:

[(1, 25179420), (2, 12589710), (3, 8393140), (4, 6294855), (5, 5035884), (6, 4196570), (7, 3597060), (10, 2517942), (12, 2098285), (14, 1798530), (15, 1678628), (20, 1258971), (21, 1199020), (28, 899265), (30, 839314), (35, 719412), (42, 599510), (60, 419657), (70, 359706), (84, 299755), (105, 239804), (140, 179853), (210, 119902), (420, 59951)]