201242240

素因数分解:

$2^7\times 5^1\times {\mathrm{314441}}^1$

素因数の和:314460

約数の個数: 32

約数和(自身を含む): 481096260

約数和(自身を除く): 279854020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 314441, 628882, 1257764, 1572205, 2515528, 3144410, 5031056, 6288820, 10062112, 12577640, 20124224, 25155280, 40248448, 50310560, 100621120, 201242240]

約数ペア:

[(1, 201242240), (2, 100621120), (4, 50310560), (5, 40248448), (8, 25155280), (10, 20124224), (16, 12577640), (20, 10062112), (32, 6288820), (40, 5031056), (64, 3144410), (80, 2515528), (128, 1572205), (160, 1257764), (320, 628882), (640, 314441)]