201944720

素因数分解:

$2^4\times 5^1\times {\mathrm{2524309}}^1$

素因数の和:2524322

約数の個数: 20

約数和(自身を含む): 469521660

約数和(自身を除く): 267576940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524309, 5048618, 10097236, 12621545, 20194472, 25243090, 40388944, 50486180, 100972360, 201944720]

約数ペア:

[(1, 201944720), (2, 100972360), (4, 50486180), (5, 40388944), (8, 25243090), (10, 20194472), (16, 12621545), (20, 10097236), (40, 5048618), (80, 2524309)]