127796840

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{14327}}^1$

素因数の和:14561

約数の個数: 32

約数和(自身を含む): 288852480

約数和(自身を除く): 161055640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 14327, 28654, 57308, 71635, 114616, 143270, 286540, 573080, 3194921, 6389842, 12779684, 15974605, 25559368, 31949210, 63898420, 127796840]

約数ペア:

[(1, 127796840), (2, 63898420), (4, 31949210), (5, 25559368), (8, 15974605), (10, 12779684), (20, 6389842), (40, 3194921), (223, 573080), (446, 286540), (892, 143270), (1115, 114616), (1784, 71635), (2230, 57308), (4460, 28654), (8920, 14327)]