8620240

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{389}}^1$

素因数の和:679

約数の個数: 40

約数和(自身を含む): 20166120

約数和(自身を除く): 11545880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 389, 554, 778, 1108, 1385, 1556, 1945, 2216, 2770, 3112, 3890, 4432, 5540, 6224, 7780, 11080, 15560, 22160, 31120, 107753, 215506, 431012, 538765, 862024, 1077530, 1724048, 2155060, 4310120, 8620240]

約数ペア:

[(1, 8620240), (2, 4310120), (4, 2155060), (5, 1724048), (8, 1077530), (10, 862024), (16, 538765), (20, 431012), (40, 215506), (80, 107753), (277, 31120), (389, 22160), (554, 15560), (778, 11080), (1108, 7780), (1385, 6224), (1556, 5540), (1945, 4432), (2216, 3890), (2770, 3112)]