8880989720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13060279}}^1$

素因数の和:13060307

約数の個数: 32

約数和(自身を含む): 21157653600

約数和(自身を除く): 12276663880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 13060279, 26120558, 52241116, 65301395, 104482232, 130602790, 222024743, 261205580, 444049486, 522411160, 888098972, 1110123715, 1776197944, 2220247430, 4440494860, 8880989720]

約数ペア:

[(1, 8880989720), (2, 4440494860), (4, 2220247430), (5, 1776197944), (8, 1110123715), (10, 888098972), (17, 522411160), (20, 444049486), (34, 261205580), (40, 222024743), (68, 130602790), (85, 104482232), (136, 65301395), (170, 52241116), (340, 26120558), (680, 13060279)]