8040620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 19568640

約数和(自身を除く): 11528020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 727, 790, 1106, 1454, 1580, 2212, 2765, 2908, 3635, 5089, 5530, 7270, 10178, 11060, 14540, 20356, 25445, 50890, 57433, 101780, 114866, 229732, 287165, 402031, 574330, 804062, 1148660, 1608124, 2010155, 4020310, 8040620]

約数ペア:

[(1, 8040620), (2, 4020310), (4, 2010155), (5, 1608124), (7, 1148660), (10, 804062), (14, 574330), (20, 402031), (28, 287165), (35, 229732), (70, 114866), (79, 101780), (140, 57433), (158, 50890), (316, 25445), (395, 20356), (553, 14540), (727, 11060), (790, 10178), (1106, 7270), (1454, 5530), (1580, 5089), (2212, 3635), (2765, 2908)]