15529960

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1951}}^1$

素因数の和:2161

約数の個数: 32

約数和(自身を含む): 35136000

約数和(自身を除く): 19606040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1951, 1990, 3902, 3980, 7804, 7960, 9755, 15608, 19510, 39020, 78040, 388249, 776498, 1552996, 1941245, 3105992, 3882490, 7764980, 15529960]

約数ペア:

[(1, 15529960), (2, 7764980), (4, 3882490), (5, 3105992), (8, 1941245), (10, 1552996), (20, 776498), (40, 388249), (199, 78040), (398, 39020), (796, 19510), (995, 15608), (1592, 9755), (1951, 7960), (1990, 7804), (3902, 3980)]