15501380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9811}}^1$

素因数の和:9899

約数の個数: 24

約数和(自身を含む): 32968320

約数和(自身を除く): 17466940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 9811, 19622, 39244, 49055, 98110, 196220, 775069, 1550138, 3100276, 3875345, 7750690, 15501380]

約数ペア:

[(1, 15501380), (2, 7750690), (4, 3875345), (5, 3100276), (10, 1550138), (20, 775069), (79, 196220), (158, 98110), (316, 49055), (395, 39244), (790, 19622), (1580, 9811)]