2019333025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 2677828608

約数和(自身を除く): 658495583

約数列:

[1, 5, 25, 31, 41, 103, 155, 205, 515, 617, 775, 1025, 1271, 2575, 3085, 3193, 4223, 6355, 15425, 15965, 19127, 21115, 25297, 31775, 63551, 79825, 95635, 105575, 126485, 130913, 317755, 478175, 632425, 654565, 784207, 1588775, 1970081, 2605591, 3272825, 3921035, 9850405, 13027955, 19605175, 49252025, 65139775, 80773321, 403866605, 2019333025]

約数ペア:

[(1, 2019333025), (5, 403866605), (25, 80773321), (31, 65139775), (41, 49252025), (103, 19605175), (155, 13027955), (205, 9850405), (515, 3921035), (617, 3272825), (775, 2605591), (1025, 1970081), (1271, 1588775), (2575, 784207), (3085, 654565), (3193, 632425), (4223, 478175), (6355, 317755), (15425, 130913), (15965, 126485), (19127, 105575), (21115, 95635), (25297, 79825), (31775, 63551)]