88780640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42683}}^1$

素因数の和:42711

約数の個数: 48

約数和(自身を含む): 225883728

約数和(自身を除く): 137103088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 42683, 85366, 170732, 213415, 341464, 426830, 554879, 682928, 853660, 1109758, 1365856, 1707320, 2219516, 2774395, 3414640, 4439032, 5548790, 6829280, 8878064, 11097580, 17756128, 22195160, 44390320, 88780640]

約数ペア:

[(1, 88780640), (2, 44390320), (4, 22195160), (5, 17756128), (8, 11097580), (10, 8878064), (13, 6829280), (16, 5548790), (20, 4439032), (26, 3414640), (32, 2774395), (40, 2219516), (52, 1707320), (65, 1365856), (80, 1109758), (104, 853660), (130, 682928), (160, 554879), (208, 426830), (260, 341464), (416, 213415), (520, 170732), (1040, 85366), (2080, 42683)]