15255920

素因数分解:

$2^4\times 5^1\times {\mathrm{190699}}^1$

素因数の和:190712

約数の個数: 20

約数和(自身を含む): 35470200

約数和(自身を除く): 20214280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190699, 381398, 762796, 953495, 1525592, 1906990, 3051184, 3813980, 7627960, 15255920]

約数ペア:

[(1, 15255920), (2, 7627960), (4, 3813980), (5, 3051184), (8, 1906990), (10, 1525592), (16, 953495), (20, 762796), (40, 381398), (80, 190699)]