13571240

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{691}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 30641760

約数和(自身を除く): 17070520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 691, 982, 1382, 1964, 2455, 2764, 3455, 3928, 4910, 5528, 6910, 9820, 13820, 19640, 27640, 339281, 678562, 1357124, 1696405, 2714248, 3392810, 6785620, 13571240]

約数ペア:

[(1, 13571240), (2, 6785620), (4, 3392810), (5, 2714248), (8, 1696405), (10, 1357124), (20, 678562), (40, 339281), (491, 27640), (691, 19640), (982, 13820), (1382, 9820), (1964, 6910), (2455, 5528), (2764, 4910), (3455, 3928)]