25655140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 39663260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 71, 89, 116, 140, 142, 145, 178, 203, 284, 290, 355, 356, 406, 445, 497, 580, 623, 710, 812, 890, 994, 1015, 1246, 1420, 1780, 1988, 2030, 2059, 2485, 2492, 2581, 3115, 4060, 4118, 4970, 5162, 6230, 6319, 8236, 9940, 10295, 10324, 12460, 12638, 12905, 14413, 18067, 20590, 25276, 25810, 28826, 31595, 36134, 41180, 44233, 51620, 57652, 63190, 72065, 72268, 88466, 90335, 126380, 144130, 176932, 180670, 183251, 221165, 288260, 361340, 366502, 442330, 733004, 884660, 916255, 1282757, 1832510, 2565514, 3665020, 5131028, 6413785, 12827570, 25655140]

約数ペア:

[(1, 25655140), (2, 12827570), (4, 6413785), (5, 5131028), (7, 3665020), (10, 2565514), (14, 1832510), (20, 1282757), (28, 916255), (29, 884660), (35, 733004), (58, 442330), (70, 366502), (71, 361340), (89, 288260), (116, 221165), (140, 183251), (142, 180670), (145, 176932), (178, 144130), (203, 126380), (284, 90335), (290, 88466), (355, 72268), (356, 72065), (406, 63190), (445, 57652), (497, 51620), (580, 44233), (623, 41180), (710, 36134), (812, 31595), (890, 28826), (994, 25810), (1015, 25276), (1246, 20590), (1420, 18067), (1780, 14413), (1988, 12905), (2030, 12638), (2059, 12460), (2485, 10324), (2492, 10295), (2581, 9940), (3115, 8236), (4060, 6319), (4118, 6230), (4970, 5162)]