15686480

素因数分解:

$2^4\times 5^1\times {\mathrm{196081}}^1$

素因数の和:196094

約数の個数: 20

約数和(自身を含む): 36471252

約数和(自身を除く): 20784772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196081, 392162, 784324, 980405, 1568648, 1960810, 3137296, 3921620, 7843240, 15686480]

約数ペア:

[(1, 15686480), (2, 7843240), (4, 3921620), (5, 3137296), (8, 1960810), (10, 1568648), (16, 980405), (20, 784324), (40, 392162), (80, 196081)]