2830660640

素因数分解:

$2^5\times 5^1\times {\mathrm{2609}}^1\times {\mathrm{6781}}^1$

素因数の和:9405

約数の個数: 48

約数和(自身を含む): 6690985560

約数和(自身を除く): 3860324920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2609, 5218, 6781, 10436, 13045, 13562, 20872, 26090, 27124, 33905, 41744, 52180, 54248, 67810, 83488, 104360, 108496, 135620, 208720, 216992, 271240, 417440, 542480, 1084960, 17691629, 35383258, 70766516, 88458145, 141533032, 176916290, 283066064, 353832580, 566132128, 707665160, 1415330320, 2830660640]

約数ペア:

[(1, 2830660640), (2, 1415330320), (4, 707665160), (5, 566132128), (8, 353832580), (10, 283066064), (16, 176916290), (20, 141533032), (32, 88458145), (40, 70766516), (80, 35383258), (160, 17691629), (2609, 1084960), (5218, 542480), (6781, 417440), (10436, 271240), (13045, 216992), (13562, 208720), (20872, 135620), (26090, 108496), (27124, 104360), (33905, 83488), (41744, 67810), (52180, 54248)]