256411090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{24967}}^1$

素因数の和:25066

約数の個数: 32

約数和(自身を含む): 503354880

約数和(自身を除く): 246943790

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 24967, 49934, 124835, 249670, 324571, 649142, 1622855, 1972393, 3245710, 3944786, 9861965, 19723930, 25641109, 51282218, 128205545, 256411090]

約数ペア:

[(1, 256411090), (2, 128205545), (5, 51282218), (10, 25641109), (13, 19723930), (26, 9861965), (65, 3944786), (79, 3245710), (130, 1972393), (158, 1622855), (395, 649142), (790, 324571), (1027, 249670), (2054, 124835), (5135, 49934), (10270, 24967)]