2100081490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{204487}}^1$

素因数の和:204586

約数の個数: 32

約数和(自身を含む): 4122478080

約数和(自身を除く): 2022396590

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 204487, 408974, 1022435, 2044870, 2658331, 5316662, 13291655, 16154473, 26583310, 32308946, 80772365, 161544730, 210008149, 420016298, 1050040745, 2100081490]

約数ペア:

[(1, 2100081490), (2, 1050040745), (5, 420016298), (10, 210008149), (13, 161544730), (26, 80772365), (65, 32308946), (79, 26583310), (130, 16154473), (158, 13291655), (395, 5316662), (790, 2658331), (1027, 2044870), (2054, 1022435), (5135, 408974), (10270, 204487)]