15316780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18679}}^1$

素因数の和:18729

約数の個数: 24

約数和(自身を含む): 32951520

約数和(自身を除く): 17634740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 18679, 37358, 74716, 93395, 186790, 373580, 765839, 1531678, 3063356, 3829195, 7658390, 15316780]

約数ペア:

[(1, 15316780), (2, 7658390), (4, 3829195), (5, 3063356), (10, 1531678), (20, 765839), (41, 373580), (82, 186790), (164, 93395), (205, 74716), (410, 37358), (820, 18679)]