127906040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{86423}}^1$

素因数の和:86471

約数の個数: 32

約数和(自身を含む): 295570080

約数和(自身を除く): 167664040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 86423, 172846, 345692, 432115, 691384, 864230, 1728460, 3197651, 3456920, 6395302, 12790604, 15988255, 25581208, 31976510, 63953020, 127906040]

約数ペア:

[(1, 127906040), (2, 63953020), (4, 31976510), (5, 25581208), (8, 15988255), (10, 12790604), (20, 6395302), (37, 3456920), (40, 3197651), (74, 1728460), (148, 864230), (185, 691384), (296, 432115), (370, 345692), (740, 172846), (1480, 86423)]