15805120

素因数分解:

$2^6\times 5^1\times {\mathrm{49391}}^1$

素因数の和:49408

約数の個数: 28

約数和(自身を含む): 37636704

約数和(自身を除く): 21831584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 49391, 98782, 197564, 246955, 395128, 493910, 790256, 987820, 1580512, 1975640, 3161024, 3951280, 7902560, 15805120]

約数ペア:

[(1, 15805120), (2, 7902560), (4, 3951280), (5, 3161024), (8, 1975640), (10, 1580512), (16, 987820), (20, 790256), (32, 493910), (40, 395128), (64, 246955), (80, 197564), (160, 98782), (320, 49391)]