101626640

素因数分解:

$2^4\times 5^1\times {\mathrm{1270333}}^1$

素因数の和:1270346

約数の個数: 20

約数和(自身を含む): 236282124

約数和(自身を除く): 134655484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1270333, 2540666, 5081332, 6351665, 10162664, 12703330, 20325328, 25406660, 50813320, 101626640]

約数ペア:

[(1, 101626640), (2, 50813320), (4, 25406660), (5, 20325328), (8, 12703330), (10, 10162664), (16, 6351665), (20, 5081332), (40, 2540666), (80, 1270333)]