15723280

素因数分解:

$2^4\times 5^1\times {\mathrm{196541}}^1$

素因数の和:196554

約数の個数: 20

約数和(自身を含む): 36556812

約数和(自身を除く): 20833532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196541, 393082, 786164, 982705, 1572328, 1965410, 3144656, 3930820, 7861640, 15723280]

約数ペア:

[(1, 15723280), (2, 7861640), (4, 3930820), (5, 3144656), (8, 1965410), (10, 1572328), (16, 982705), (20, 786164), (40, 393082), (80, 196541)]