204328240

素因数分解:

$2^4\times 5^1\times {\mathrm{2554103}}^1$

素因数の和:2554116

約数の個数: 20

約数和(自身を含む): 475063344

約数和(自身を除く): 270735104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2554103, 5108206, 10216412, 12770515, 20432824, 25541030, 40865648, 51082060, 102164120, 204328240]

約数ペア:

[(1, 204328240), (2, 102164120), (4, 51082060), (5, 40865648), (8, 25541030), (10, 20432824), (16, 12770515), (20, 10216412), (40, 5108206), (80, 2554103)]