825040

素因数分解:

$2^4\times 5^1\times {\mathrm{10313}}^1$

素因数の和:10326

約数の個数: 20

約数和(自身を含む): 1918404

約数和(自身を除く): 1093364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10313, 20626, 41252, 51565, 82504, 103130, 165008, 206260, 412520, 825040]

約数ペア:

[(1, 825040), (2, 412520), (4, 206260), (5, 165008), (8, 103130), (10, 82504), (16, 51565), (20, 41252), (40, 20626), (80, 10313)]