1965278320

素因数分解:

$2^4\times 5^1\times {\mathrm{24565979}}^1$

素因数の和:24565992

約数の個数: 20

約数和(自身を含む): 4569272280

約数和(自身を除く): 2603993960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24565979, 49131958, 98263916, 122829895, 196527832, 245659790, 393055664, 491319580, 982639160, 1965278320]

約数ペア:

[(1, 1965278320), (2, 982639160), (4, 491319580), (5, 393055664), (8, 245659790), (10, 196527832), (16, 122829895), (20, 98263916), (40, 49131958), (80, 24565979)]