9912800

素因数分解:

$2^5\times 5^2\times {\mathrm{12391}}^1$

素因数の和:12411

約数の個数: 36

約数和(自身を含む): 24201576

約数和(自身を除く): 14288776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 12391, 24782, 49564, 61955, 99128, 123910, 198256, 247820, 309775, 396512, 495640, 619550, 991280, 1239100, 1982560, 2478200, 4956400, 9912800]

約数ペア:

[(1, 9912800), (2, 4956400), (4, 2478200), (5, 1982560), (8, 1239100), (10, 991280), (16, 619550), (20, 495640), (25, 396512), (32, 309775), (40, 247820), (50, 198256), (80, 123910), (100, 99128), (160, 61955), (200, 49564), (400, 24782), (800, 12391)]