22395280

素因数分解:

$2^4\times 5^1\times {\mathrm{279941}}^1$

素因数の和:279954

約数の個数: 20

約数和(自身を含む): 52069212

約数和(自身を除く): 29673932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 279941, 559882, 1119764, 1399705, 2239528, 2799410, 4479056, 5598820, 11197640, 22395280]

約数ペア:

[(1, 22395280), (2, 11197640), (4, 5598820), (5, 4479056), (8, 2799410), (10, 2239528), (16, 1399705), (20, 1119764), (40, 559882), (80, 279941)]