40986340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66107}}^1$

素因数の和:66147

約数の個数: 24

約数和(自身を含む): 88849152

約数和(自身を除く): 47862812

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 66107, 132214, 264428, 330535, 661070, 1322140, 2049317, 4098634, 8197268, 10246585, 20493170, 40986340]

約数ペア:

[(1, 40986340), (2, 20493170), (4, 10246585), (5, 8197268), (10, 4098634), (20, 2049317), (31, 1322140), (62, 661070), (124, 330535), (155, 264428), (310, 132214), (620, 66107)]