2661030320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2558683}}^1$

素因数の和:2558709

約数の個数: 40

約数和(自身を含む): 6662813136

約数和(自身を除く): 4001782816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2558683, 5117366, 10234732, 12793415, 20469464, 25586830, 33262879, 40938928, 51173660, 66525758, 102347320, 133051516, 166314395, 204694640, 266103032, 332628790, 532206064, 665257580, 1330515160, 2661030320]

約数ペア:

[(1, 2661030320), (2, 1330515160), (4, 665257580), (5, 532206064), (8, 332628790), (10, 266103032), (13, 204694640), (16, 166314395), (20, 133051516), (26, 102347320), (40, 66525758), (52, 51173660), (65, 40938928), (80, 33262879), (104, 25586830), (130, 20469464), (208, 12793415), (260, 10234732), (520, 5117366), (1040, 2558683)]