12666920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2418

約数の個数: 64

約数和(自身を含む): 34300800

約数和(自身を除く): 21633880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2381, 2660, 4762, 5320, 9524, 11905, 16667, 19048, 23810, 33334, 45239, 47620, 66668, 83335, 90478, 95240, 133336, 166670, 180956, 226195, 316673, 333340, 361912, 452390, 633346, 666680, 904780, 1266692, 1583365, 1809560, 2533384, 3166730, 6333460, 12666920]

約数ペア:

[(1, 12666920), (2, 6333460), (4, 3166730), (5, 2533384), (7, 1809560), (8, 1583365), (10, 1266692), (14, 904780), (19, 666680), (20, 633346), (28, 452390), (35, 361912), (38, 333340), (40, 316673), (56, 226195), (70, 180956), (76, 166670), (95, 133336), (133, 95240), (140, 90478), (152, 83335), (190, 66668), (266, 47620), (280, 45239), (380, 33334), (532, 23810), (665, 19048), (760, 16667), (1064, 11905), (1330, 9524), (2381, 5320), (2660, 4762)]