13213540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8363}}^1$

素因数の和:8451

約数の個数: 24

約数和(自身を含む): 28103040

約数和(自身を除く): 14889500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 8363, 16726, 33452, 41815, 83630, 167260, 660677, 1321354, 2642708, 3303385, 6606770, 13213540]

約数ペア:

[(1, 13213540), (2, 6606770), (4, 3303385), (5, 2642708), (10, 1321354), (20, 660677), (79, 167260), (158, 83630), (316, 41815), (395, 33452), (790, 16726), (1580, 8363)]