100920880

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{5657}}^1$

素因数の和:5893

約数の個数: 40

約数和(自身を含む): 235734912

約数和(自身を除く): 134814032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 5657, 8920, 11314, 17840, 22628, 28285, 45256, 56570, 90512, 113140, 226280, 452560, 1261511, 2523022, 5046044, 6307555, 10092088, 12615110, 20184176, 25230220, 50460440, 100920880]

約数ペア:

[(1, 100920880), (2, 50460440), (4, 25230220), (5, 20184176), (8, 12615110), (10, 10092088), (16, 6307555), (20, 5046044), (40, 2523022), (80, 1261511), (223, 452560), (446, 226280), (892, 113140), (1115, 90512), (1784, 56570), (2230, 45256), (3568, 28285), (4460, 22628), (5657, 17840), (8920, 11314)]