91219640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{21313}}^1$

素因数の和:21431

約数の個数: 32

約数和(自身を含む): 207172080

約数和(自身を除く): 115952440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 21313, 42626, 85252, 106565, 170504, 213130, 426260, 852520, 2280491, 4560982, 9121964, 11402455, 18243928, 22804910, 45609820, 91219640]

約数ペア:

[(1, 91219640), (2, 45609820), (4, 22804910), (5, 18243928), (8, 11402455), (10, 9121964), (20, 4560982), (40, 2280491), (107, 852520), (214, 426260), (428, 213130), (535, 170504), (856, 106565), (1070, 85252), (2140, 42626), (4280, 21313)]