130606400

素因数分解:

$2^6\times 5^2\times {\mathrm{81629}}^1$

素因数の和:81651

約数の個数: 42

約数和(自身を含む): 321377310

約数和(自身を除く): 190770910

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 81629, 163258, 326516, 408145, 653032, 816290, 1306064, 1632580, 2040725, 2612128, 3265160, 4081450, 5224256, 6530320, 8162900, 13060640, 16325800, 26121280, 32651600, 65303200, 130606400]

約数ペア:

[(1, 130606400), (2, 65303200), (4, 32651600), (5, 26121280), (8, 16325800), (10, 13060640), (16, 8162900), (20, 6530320), (25, 5224256), (32, 4081450), (40, 3265160), (50, 2612128), (64, 2040725), (80, 1632580), (100, 1306064), (160, 816290), (200, 653032), (320, 408145), (400, 326516), (800, 163258), (1600, 81629)]