8390980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 19333440

約数和(自身を除く): 10942460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 547, 590, 767, 1094, 1180, 1534, 2188, 2735, 3068, 3835, 5470, 7111, 7670, 10940, 14222, 15340, 28444, 32273, 35555, 64546, 71110, 129092, 142220, 161365, 322730, 419549, 645460, 839098, 1678196, 2097745, 4195490, 8390980]

約数ペア:

[(1, 8390980), (2, 4195490), (4, 2097745), (5, 1678196), (10, 839098), (13, 645460), (20, 419549), (26, 322730), (52, 161365), (59, 142220), (65, 129092), (118, 71110), (130, 64546), (236, 35555), (260, 32273), (295, 28444), (547, 15340), (590, 14222), (767, 10940), (1094, 7670), (1180, 7111), (1534, 5470), (2188, 3835), (2735, 3068)]