12990350

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{3559}}^1$

素因数の和:3644

約数の個数: 24

約数和(自身を含む): 24499920

約数和(自身を除く): 11509570

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3559, 3650, 7118, 17795, 35590, 88975, 177950, 259807, 519614, 1299035, 2598070, 6495175, 12990350]

約数ペア:

[(1, 12990350), (2, 6495175), (5, 2598070), (10, 1299035), (25, 519614), (50, 259807), (73, 177950), (146, 88975), (365, 35590), (730, 17795), (1825, 7118), (3559, 3650)]