155066840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{54601}}^1$

素因数の和:54683

約数の個数: 32

約数和(自身を含む): 353820960

約数和(自身を除く): 198754120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 54601, 109202, 218404, 273005, 436808, 546010, 1092020, 2184040, 3876671, 7753342, 15506684, 19383355, 31013368, 38766710, 77533420, 155066840]

約数ペア:

[(1, 155066840), (2, 77533420), (4, 38766710), (5, 31013368), (8, 19383355), (10, 15506684), (20, 7753342), (40, 3876671), (71, 2184040), (142, 1092020), (284, 546010), (355, 436808), (568, 273005), (710, 218404), (1420, 109202), (2840, 54601)]