101489840

素因数分解:

$2^4\times 5^1\times {\mathrm{1268623}}^1$

素因数の和:1268636

約数の個数: 20

約数和(自身を含む): 235964064

約数和(自身を除く): 134474224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1268623, 2537246, 5074492, 6343115, 10148984, 12686230, 20297968, 25372460, 50744920, 101489840]

約数ペア:

[(1, 101489840), (2, 50744920), (4, 25372460), (5, 20297968), (8, 12686230), (10, 10148984), (16, 6343115), (20, 5074492), (40, 2537246), (80, 1268623)]