100738480

素因数分解:

$2^4\times 5^1\times {\mathrm{1259231}}^1$

素因数の和:1259244

約数の個数: 20

約数和(自身を含む): 234217152

約数和(自身を除く): 133478672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1259231, 2518462, 5036924, 6296155, 10073848, 12592310, 20147696, 25184620, 50369240, 100738480]

約数ペア:

[(1, 100738480), (2, 50369240), (4, 25184620), (5, 20147696), (8, 12592310), (10, 10073848), (16, 6296155), (20, 5036924), (40, 2518462), (80, 1259231)]