68208040

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{9421}}^1$

素因数の和:9613

約数の個数: 32

約数和(自身を含む): 154332360

約数和(自身を除く): 86124320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 9421, 18842, 37684, 47105, 75368, 94210, 188420, 376840, 1705201, 3410402, 6820804, 8526005, 13641608, 17052010, 34104020, 68208040]

約数ペア:

[(1, 68208040), (2, 34104020), (4, 17052010), (5, 13641608), (8, 8526005), (10, 6820804), (20, 3410402), (40, 1705201), (181, 376840), (362, 188420), (724, 94210), (905, 75368), (1448, 47105), (1810, 37684), (3620, 18842), (7240, 9421)]