138140960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27851}}^1$

素因数の和:27897

約数の個数: 48

約数和(自身を含む): 336897792

約数和(自身を除く): 198756832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 27851, 55702, 111404, 139255, 222808, 278510, 445616, 557020, 863381, 891232, 1114040, 1726762, 2228080, 3453524, 4316905, 4456160, 6907048, 8633810, 13814096, 17267620, 27628192, 34535240, 69070480, 138140960]

約数ペア:

[(1, 138140960), (2, 69070480), (4, 34535240), (5, 27628192), (8, 17267620), (10, 13814096), (16, 8633810), (20, 6907048), (31, 4456160), (32, 4316905), (40, 3453524), (62, 2228080), (80, 1726762), (124, 1114040), (155, 891232), (160, 863381), (248, 557020), (310, 445616), (496, 278510), (620, 222808), (992, 139255), (1240, 111404), (2480, 55702), (4960, 27851)]