9899480

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{653}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 22366800

約数和(自身を除く): 12467320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 653, 758, 1306, 1516, 1895, 2612, 3032, 3265, 3790, 5224, 6530, 7580, 13060, 15160, 26120, 247487, 494974, 989948, 1237435, 1979896, 2474870, 4949740, 9899480]

約数ペア:

[(1, 9899480), (2, 4949740), (4, 2474870), (5, 1979896), (8, 1237435), (10, 989948), (20, 494974), (40, 247487), (379, 26120), (653, 15160), (758, 13060), (1306, 7580), (1516, 6530), (1895, 5224), (2612, 3790), (3032, 3265)]