16548980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2749}}^1$

素因数の和:2808

約数の個数: 48

約数和(自身を含む): 40656000

約数和(自身を除く): 24107020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2749, 3010, 5498, 6020, 10996, 13745, 19243, 27490, 38486, 54980, 76972, 96215, 118207, 192430, 236414, 384860, 472828, 591035, 827449, 1182070, 1654898, 2364140, 3309796, 4137245, 8274490, 16548980]

約数ペア:

[(1, 16548980), (2, 8274490), (4, 4137245), (5, 3309796), (7, 2364140), (10, 1654898), (14, 1182070), (20, 827449), (28, 591035), (35, 472828), (43, 384860), (70, 236414), (86, 192430), (140, 118207), (172, 96215), (215, 76972), (301, 54980), (430, 38486), (602, 27490), (860, 19243), (1204, 13745), (1505, 10996), (2749, 6020), (3010, 5498)]