38993660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 85451520

約数和(自身を除く): 46457860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 577, 620, 1090, 1154, 2180, 2308, 2885, 3379, 5770, 6758, 11540, 13516, 16895, 17887, 33790, 35774, 62893, 67580, 71548, 89435, 125786, 178870, 251572, 314465, 357740, 628930, 1257860, 1949683, 3899366, 7798732, 9748415, 19496830, 38993660]

約数ペア:

[(1, 38993660), (2, 19496830), (4, 9748415), (5, 7798732), (10, 3899366), (20, 1949683), (31, 1257860), (62, 628930), (109, 357740), (124, 314465), (155, 251572), (218, 178870), (310, 125786), (436, 89435), (545, 71548), (577, 67580), (620, 62893), (1090, 35774), (1154, 33790), (2180, 17887), (2308, 16895), (2885, 13516), (3379, 11540), (5770, 6758)]