713705680

素因数分解:

$2^4\times 5^1\times {\mathrm{8921321}}^1$

素因数の和:8921334

約数の個数: 20

約数和(自身を含む): 1659365892

約数和(自身を除く): 945660212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8921321, 17842642, 35685284, 44606605, 71370568, 89213210, 142741136, 178426420, 356852840, 713705680]

約数ペア:

[(1, 713705680), (2, 356852840), (4, 178426420), (5, 142741136), (8, 89213210), (10, 71370568), (16, 44606605), (20, 35685284), (40, 17842642), (80, 8921321)]