65431460

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{20071}}^1$

素因数の和:20243

約数の個数: 24

約数和(自身を含む): 138255936

約数和(自身を除く): 72824476

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 20071, 40142, 80284, 100355, 200710, 401420, 3271573, 6543146, 13086292, 16357865, 32715730, 65431460]

約数ペア:

[(1, 65431460), (2, 32715730), (4, 16357865), (5, 13086292), (10, 6543146), (20, 3271573), (163, 401420), (326, 200710), (652, 100355), (815, 80284), (1630, 40142), (3260, 20071)]