15903260

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1229}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 33475680

約数和(自身を除く): 17572420

約数列:

[1, 2, 4, 5, 10, 20, 647, 1229, 1294, 2458, 2588, 3235, 4916, 6145, 6470, 12290, 12940, 24580, 795163, 1590326, 3180652, 3975815, 7951630, 15903260]

約数ペア:

[(1, 15903260), (2, 7951630), (4, 3975815), (5, 3180652), (10, 1590326), (20, 795163), (647, 24580), (1229, 12940), (1294, 12290), (2458, 6470), (2588, 6145), (3235, 4916)]