25333840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2420

約数の個数: 80

約数和(自身を含む): 70888320

約数和(自身を除く): 45554480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2381, 2660, 4762, 5320, 9524, 10640, 11905, 16667, 19048, 23810, 33334, 38096, 45239, 47620, 66668, 83335, 90478, 95240, 133336, 166670, 180956, 190480, 226195, 266672, 316673, 333340, 361912, 452390, 633346, 666680, 723824, 904780, 1266692, 1333360, 1583365, 1809560, 2533384, 3166730, 3619120, 5066768, 6333460, 12666920, 25333840]

約数ペア:

[(1, 25333840), (2, 12666920), (4, 6333460), (5, 5066768), (7, 3619120), (8, 3166730), (10, 2533384), (14, 1809560), (16, 1583365), (19, 1333360), (20, 1266692), (28, 904780), (35, 723824), (38, 666680), (40, 633346), (56, 452390), (70, 361912), (76, 333340), (80, 316673), (95, 266672), (112, 226195), (133, 190480), (140, 180956), (152, 166670), (190, 133336), (266, 95240), (280, 90478), (304, 83335), (380, 66668), (532, 47620), (560, 45239), (665, 38096), (760, 33334), (1064, 23810), (1330, 19048), (1520, 16667), (2128, 11905), (2381, 10640), (2660, 9524), (4762, 5320)]