15556840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29917}}^1$

素因数の和:29941

約数の個数: 32

約数和(自身を含む): 37696680

約数和(自身を除く): 22139840

約数列:

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

約数ペア:

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