15958540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61379}}^1$

素因数の和:61401

約数の個数: 24

約数和(自身を含む): 36091440

約数和(自身を除く): 20132900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 61379, 122758, 245516, 306895, 613790, 797927, 1227580, 1595854, 3191708, 3989635, 7979270, 15958540]

約数ペア:

[(1, 15958540), (2, 7979270), (4, 3989635), (5, 3191708), (10, 1595854), (13, 1227580), (20, 797927), (26, 613790), (52, 306895), (65, 245516), (130, 122758), (260, 61379)]