20161385560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4624171}}^1$

素因数の和:4624291

約数の個数: 32

約数和(自身を含む): 45779302800

約数和(自身を除く): 25617917240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 4624171, 9248342, 18496684, 23120855, 36993368, 46241710, 92483420, 184966840, 504034639, 1008069278, 2016138556, 2520173195, 4032277112, 5040346390, 10080692780, 20161385560]

約数ペア:

[(1, 20161385560), (2, 10080692780), (4, 5040346390), (5, 4032277112), (8, 2520173195), (10, 2016138556), (20, 1008069278), (40, 504034639), (109, 184966840), (218, 92483420), (436, 46241710), (545, 36993368), (872, 23120855), (1090, 18496684), (2180, 9248342), (4360, 4624171)]