31113680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29917}}^1$

素因数の和:29943

約数の個数: 40

約数和(自身を含む): 77906472

約数和(自身を除く): 46792792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 29917, 59834, 119668, 149585, 239336, 299170, 388921, 478672, 598340, 777842, 1196680, 1555684, 1944605, 2393360, 3111368, 3889210, 6222736, 7778420, 15556840, 31113680]

約数ペア:

[(1, 31113680), (2, 15556840), (4, 7778420), (5, 6222736), (8, 3889210), (10, 3111368), (13, 2393360), (16, 1944605), (20, 1555684), (26, 1196680), (40, 777842), (52, 598340), (65, 478672), (80, 388921), (104, 299170), (130, 239336), (208, 149585), (260, 119668), (520, 59834), (1040, 29917)]