2017996240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1940381}}^1$

素因数の和:1940407

約数の個数: 40

約数和(自身を含む): 5052754728

約数和(自身を除く): 3034758488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1940381, 3880762, 7761524, 9701905, 15523048, 19403810, 25224953, 31046096, 38807620, 50449906, 77615240, 100899812, 126124765, 155230480, 201799624, 252249530, 403599248, 504499060, 1008998120, 2017996240]

約数ペア:

[(1, 2017996240), (2, 1008998120), (4, 504499060), (5, 403599248), (8, 252249530), (10, 201799624), (13, 155230480), (16, 126124765), (20, 100899812), (26, 77615240), (40, 50449906), (52, 38807620), (65, 31046096), (80, 25224953), (104, 19403810), (130, 15523048), (208, 9701905), (260, 7761524), (520, 3880762), (1040, 1940381)]