71680240

素因数分解:

$2^4\times 5^1\times {\mathrm{896003}}^1$

素因数の和:896016

約数の個数: 20

約数和(自身を含む): 166656744

約数和(自身を除く): 94976504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 896003, 1792006, 3584012, 4480015, 7168024, 8960030, 14336048, 17920060, 35840120, 71680240]

約数ペア:

[(1, 71680240), (2, 35840120), (4, 17920060), (5, 14336048), (8, 8960030), (10, 7168024), (16, 4480015), (20, 3584012), (40, 1792006), (80, 896003)]