15897920

素因数分解:

$2^6\times 5^1\times {\mathrm{49681}}^1$

素因数の和:49698

約数の個数: 28

約数和(自身を含む): 37857684

約数和(自身を除く): 21959764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 49681, 99362, 198724, 248405, 397448, 496810, 794896, 993620, 1589792, 1987240, 3179584, 3974480, 7948960, 15897920]

約数ペア:

[(1, 15897920), (2, 7948960), (4, 3974480), (5, 3179584), (8, 1987240), (10, 1589792), (16, 993620), (20, 794896), (32, 496810), (40, 397448), (64, 248405), (80, 198724), (160, 99362), (320, 49681)]