2445642020

素因数分解:

$2^2\times 5^1\times {\mathrm{12343}}^1\times {\mathrm{9907}}^1$

素因数の和:22259

約数の個数: 24

約数和(自身を含む): 5136782784

約数和(自身を除く): 2691140764

約数列:

[1, 2, 4, 5, 10, 20, 9907, 12343, 19814, 24686, 39628, 49372, 49535, 61715, 99070, 123430, 198140, 246860, 122282101, 244564202, 489128404, 611410505, 1222821010, 2445642020]

約数ペア:

[(1, 2445642020), (2, 1222821010), (4, 611410505), (5, 489128404), (10, 244564202), (20, 122282101), (9907, 246860), (12343, 198140), (19814, 123430), (24686, 99070), (39628, 61715), (49372, 49535)]