19870250

素因数分解:

$2^1\times 5^3\times {\mathrm{79481}}^1$

素因数の和:79498

約数の個数: 16

約数和(自身を含む): 37197576

約数和(自身を除く): 17327326

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 79481, 158962, 397405, 794810, 1987025, 3974050, 9935125, 19870250]

約数ペア:

[(1, 19870250), (2, 9935125), (5, 3974050), (10, 1987025), (25, 794810), (50, 397405), (125, 158962), (250, 79481)]