61415440

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1877}}^1$

素因数の和:2299

約数の個数: 40

約数和(自身を含む): 143216280

約数和(自身を除く): 81800840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 1877, 2045, 3272, 3754, 4090, 6544, 7508, 8180, 9385, 15016, 16360, 18770, 30032, 32720, 37540, 75080, 150160, 767693, 1535386, 3070772, 3838465, 6141544, 7676930, 12283088, 15353860, 30707720, 61415440]

約数ペア:

[(1, 61415440), (2, 30707720), (4, 15353860), (5, 12283088), (8, 7676930), (10, 6141544), (16, 3838465), (20, 3070772), (40, 1535386), (80, 767693), (409, 150160), (818, 75080), (1636, 37540), (1877, 32720), (2045, 30032), (3272, 18770), (3754, 16360), (4090, 15016), (6544, 9385), (7508, 8180)]