13211680

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1249

約数の個数: 48

約数和(自身を含む): 31679424

約数和(自身を除く): 18467744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1163, 1420, 2272, 2326, 2840, 4652, 5680, 5815, 9304, 11360, 11630, 18608, 23260, 37216, 46520, 82573, 93040, 165146, 186080, 330292, 412865, 660584, 825730, 1321168, 1651460, 2642336, 3302920, 6605840, 13211680]

約数ペア:

[(1, 13211680), (2, 6605840), (4, 3302920), (5, 2642336), (8, 1651460), (10, 1321168), (16, 825730), (20, 660584), (32, 412865), (40, 330292), (71, 186080), (80, 165146), (142, 93040), (160, 82573), (284, 46520), (355, 37216), (568, 23260), (710, 18608), (1136, 11630), (1163, 11360), (1420, 9304), (2272, 5815), (2326, 5680), (2840, 4652)]