201082040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122611}}^1$

素因数の和:122663

約数の個数: 32

約数和(自身を含む): 463473360

約数和(自身を除く): 262391320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 122611, 245222, 490444, 613055, 980888, 1226110, 2452220, 4904440, 5027051, 10054102, 20108204, 25135255, 40216408, 50270510, 100541020, 201082040]

約数ペア:

[(1, 201082040), (2, 100541020), (4, 50270510), (5, 40216408), (8, 25135255), (10, 20108204), (20, 10054102), (40, 5027051), (41, 4904440), (82, 2452220), (164, 1226110), (205, 980888), (328, 613055), (410, 490444), (820, 245222), (1640, 122611)]