42550520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20071}}^1$

素因数の和:20135

約数の個数: 32

約数和(自身を含む): 97549920

約数和(自身を除く): 54999400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 20071, 40142, 80284, 100355, 160568, 200710, 401420, 802840, 1063763, 2127526, 4255052, 5318815, 8510104, 10637630, 21275260, 42550520]

約数ペア:

[(1, 42550520), (2, 21275260), (4, 10637630), (5, 8510104), (8, 5318815), (10, 4255052), (20, 2127526), (40, 1063763), (53, 802840), (106, 401420), (212, 200710), (265, 160568), (424, 100355), (530, 80284), (1060, 40142), (2120, 20071)]