81718810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{14831}}^1$

素因数の和:14886

約数の個数: 32

約数和(自身を含む): 160185600

約数和(自身を除く): 78466790

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 14831, 29662, 74155, 148310, 281789, 430099, 563578, 860198, 1408945, 2150495, 2817890, 4300990, 8171881, 16343762, 40859405, 81718810]

約数ペア:

[(1, 81718810), (2, 40859405), (5, 16343762), (10, 8171881), (19, 4300990), (29, 2817890), (38, 2150495), (58, 1408945), (95, 860198), (145, 563578), (190, 430099), (290, 281789), (551, 148310), (1102, 74155), (2755, 29662), (5510, 14831)]