71945680

素因数分解:

$2^4\times 5^1\times {\mathrm{899321}}^1$

素因数の和:899334

約数の個数: 20

約数和(自身を含む): 167273892

約数和(自身を除く): 95328212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 899321, 1798642, 3597284, 4496605, 7194568, 8993210, 14389136, 17986420, 35972840, 71945680]

約数ペア:

[(1, 71945680), (2, 35972840), (4, 17986420), (5, 14389136), (8, 8993210), (10, 7194568), (16, 4496605), (20, 3597284), (40, 1798642), (80, 899321)]