8424940

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1889}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 17781120

約数和(自身を除く): 9356180

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 1889, 2230, 3778, 4460, 7556, 9445, 18890, 37780, 421247, 842494, 1684988, 2106235, 4212470, 8424940]

約数ペア:

[(1, 8424940), (2, 4212470), (4, 2106235), (5, 1684988), (10, 842494), (20, 421247), (223, 37780), (446, 18890), (892, 9445), (1115, 7556), (1889, 4460), (2230, 3778)]