40909720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35267}}^1$

素因数の和:35307

約数の個数: 32

約数和(自身を含む): 95223600

約数和(自身を除く): 54313880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 35267, 70534, 141068, 176335, 282136, 352670, 705340, 1022743, 1410680, 2045486, 4090972, 5113715, 8181944, 10227430, 20454860, 40909720]

約数ペア:

[(1, 40909720), (2, 20454860), (4, 10227430), (5, 8181944), (8, 5113715), (10, 4090972), (20, 2045486), (29, 1410680), (40, 1022743), (58, 705340), (116, 352670), (145, 282136), (232, 176335), (290, 141068), (580, 70534), (1160, 35267)]