61108280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21517}}^1$

素因数の和:21599

約数の個数: 32

約数和(自身を含む): 139436640

約数和(自身を除く): 78328360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 21517, 43034, 86068, 107585, 172136, 215170, 430340, 860680, 1527707, 3055414, 6110828, 7638535, 12221656, 15277070, 30554140, 61108280]

約数ペア:

[(1, 61108280), (2, 30554140), (4, 15277070), (5, 12221656), (8, 7638535), (10, 6110828), (20, 3055414), (40, 1527707), (71, 860680), (142, 430340), (284, 215170), (355, 172136), (568, 107585), (710, 86068), (1420, 43034), (2840, 21517)]