25535960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8081}}^1$

素因数の和:8171

約数の個数: 32

約数和(自身を含む): 58190400

約数和(自身を除く): 32654440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 8081, 16162, 32324, 40405, 64648, 80810, 161620, 323240, 638399, 1276798, 2553596, 3191995, 5107192, 6383990, 12767980, 25535960]

約数ペア:

[(1, 25535960), (2, 12767980), (4, 6383990), (5, 5107192), (8, 3191995), (10, 2553596), (20, 1276798), (40, 638399), (79, 323240), (158, 161620), (316, 80810), (395, 64648), (632, 40405), (790, 32324), (1580, 16162), (3160, 8081)]