20130400

素因数分解:

$2^5\times 5^2\times {\mathrm{25163}}^1$

素因数の和:25183

約数の個数: 36

約数和(自身を含む): 49145292

約数和(自身を除く): 29014892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25163, 50326, 100652, 125815, 201304, 251630, 402608, 503260, 629075, 805216, 1006520, 1258150, 2013040, 2516300, 4026080, 5032600, 10065200, 20130400]

約数ペア:

[(1, 20130400), (2, 10065200), (4, 5032600), (5, 4026080), (8, 2516300), (10, 2013040), (16, 1258150), (20, 1006520), (25, 805216), (32, 629075), (40, 503260), (50, 402608), (80, 251630), (100, 201304), (160, 125815), (200, 100652), (400, 50326), (800, 25163)]