2790320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2683}}^1$

素因数の和:2709

約数の個数: 40

約数和(自身を含む): 6989136

約数和(自身を除く): 4198816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2683, 5366, 10732, 13415, 21464, 26830, 34879, 42928, 53660, 69758, 107320, 139516, 174395, 214640, 279032, 348790, 558064, 697580, 1395160, 2790320]

約数ペア:

[(1, 2790320), (2, 1395160), (4, 697580), (5, 558064), (8, 348790), (10, 279032), (13, 214640), (16, 174395), (20, 139516), (26, 107320), (40, 69758), (52, 53660), (65, 42928), (80, 34879), (104, 26830), (130, 21464), (208, 13415), (260, 10732), (520, 5366), (1040, 2683)]