15581540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59929}}^1$

素因数の和:59951

約数の個数: 24

約数和(自身を含む): 35238840

約数和(自身を除く): 19657300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 59929, 119858, 239716, 299645, 599290, 779077, 1198580, 1558154, 3116308, 3895385, 7790770, 15581540]

約数ペア:

[(1, 15581540), (2, 7790770), (4, 3895385), (5, 3116308), (10, 1558154), (13, 1198580), (20, 779077), (26, 599290), (52, 299645), (65, 239716), (130, 119858), (260, 59929)]