30825680

素因数分解:

$2^4\times 5^1\times {\mathrm{385321}}^1$

素因数の和:385334

約数の個数: 20

約数和(自身を含む): 71669892

約数和(自身を除く): 40844212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385321, 770642, 1541284, 1926605, 3082568, 3853210, 6165136, 7706420, 15412840, 30825680]

約数ペア:

[(1, 30825680), (2, 15412840), (4, 7706420), (5, 6165136), (8, 3853210), (10, 3082568), (16, 1926605), (20, 1541284), (40, 770642), (80, 385321)]