90479090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1103}}^1$

素因数の和:1754

約数の個数: 32

約数和(自身を含む): 175827456

約数和(自身を除く): 85348366

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 631, 1103, 1262, 2206, 3155, 5515, 6310, 8203, 11030, 14339, 16406, 28678, 41015, 71695, 82030, 143390, 695993, 1391986, 3479965, 6959930, 9047909, 18095818, 45239545, 90479090]

約数ペア:

[(1, 90479090), (2, 45239545), (5, 18095818), (10, 9047909), (13, 6959930), (26, 3479965), (65, 1391986), (130, 695993), (631, 143390), (1103, 82030), (1262, 71695), (2206, 41015), (3155, 28678), (5515, 16406), (6310, 14339), (8203, 11030)]