91012640

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2099}}^1$

素因数の和:2385

約数の個数: 48

約数和(自身を含む): 215913600

約数和(自身を除く): 124900960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 2099, 2168, 2710, 4198, 4336, 5420, 8396, 8672, 10495, 10840, 16792, 20990, 21680, 33584, 41980, 43360, 67168, 83960, 167920, 335840, 568829, 1137658, 2275316, 2844145, 4550632, 5688290, 9101264, 11376580, 18202528, 22753160, 45506320, 91012640]

約数ペア:

[(1, 91012640), (2, 45506320), (4, 22753160), (5, 18202528), (8, 11376580), (10, 9101264), (16, 5688290), (20, 4550632), (32, 2844145), (40, 2275316), (80, 1137658), (160, 568829), (271, 335840), (542, 167920), (1084, 83960), (1355, 67168), (2099, 43360), (2168, 41980), (2710, 33584), (4198, 21680), (4336, 20990), (5420, 16792), (8396, 10840), (8672, 10495)]