123684080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118927}}^1$

素因数の和:118953

約数の個数: 40

約数和(自身を含む): 309688512

約数和(自身を除く): 186004432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 118927, 237854, 475708, 594635, 951416, 1189270, 1546051, 1902832, 2378540, 3092102, 4757080, 6184204, 7730255, 9514160, 12368408, 15460510, 24736816, 30921020, 61842040, 123684080]

約数ペア:

[(1, 123684080), (2, 61842040), (4, 30921020), (5, 24736816), (8, 15460510), (10, 12368408), (13, 9514160), (16, 7730255), (20, 6184204), (26, 4757080), (40, 3092102), (52, 2378540), (65, 1902832), (80, 1546051), (104, 1189270), (130, 951416), (208, 594635), (260, 475708), (520, 237854), (1040, 118927)]