80230700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{72937}}^1$

素因数の和:72962

約数の個数: 36

約数和(自身を含む): 189930552

約数和(自身を除く): 109699852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 72937, 145874, 291748, 364685, 729370, 802307, 1458740, 1604614, 1823425, 3209228, 3646850, 4011535, 7293700, 8023070, 16046140, 20057675, 40115350, 80230700]

約数ペア:

[(1, 80230700), (2, 40115350), (4, 20057675), (5, 16046140), (10, 8023070), (11, 7293700), (20, 4011535), (22, 3646850), (25, 3209228), (44, 1823425), (50, 1604614), (55, 1458740), (100, 802307), (110, 729370), (220, 364685), (275, 291748), (550, 145874), (1100, 72937)]