54630640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15881}}^1$

素因数の和:15937

約数の個数: 40

約数和(自身を含む): 129978288

約数和(自身を除く): 75347648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 15881, 31762, 63524, 79405, 127048, 158810, 254096, 317620, 635240, 682883, 1270480, 1365766, 2731532, 3414415, 5463064, 6828830, 10926128, 13657660, 27315320, 54630640]

約数ペア:

[(1, 54630640), (2, 27315320), (4, 13657660), (5, 10926128), (8, 6828830), (10, 5463064), (16, 3414415), (20, 2731532), (40, 1365766), (43, 1270480), (80, 682883), (86, 635240), (172, 317620), (215, 254096), (344, 158810), (430, 127048), (688, 79405), (860, 63524), (1720, 31762), (3440, 15881)]