401048320

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2287}}^1$

素因数の和:2445

約数の個数: 72

約数和(自身を含む): 968071104

約数和(自身を除く): 567022784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 548, 640, 685, 1096, 1280, 1370, 2192, 2287, 2740, 4384, 4574, 5480, 8768, 9148, 10960, 11435, 17536, 18296, 21920, 22870, 35072, 36592, 43840, 45740, 73184, 87680, 91480, 146368, 175360, 182960, 292736, 313319, 365920, 585472, 626638, 731840, 1253276, 1463680, 1566595, 2506552, 2927360, 3133190, 5013104, 6266380, 10026208, 12532760, 20052416, 25065520, 40104832, 50131040, 80209664, 100262080, 200524160, 401048320]

約数ペア:

[(1, 401048320), (2, 200524160), (4, 100262080), (5, 80209664), (8, 50131040), (10, 40104832), (16, 25065520), (20, 20052416), (32, 12532760), (40, 10026208), (64, 6266380), (80, 5013104), (128, 3133190), (137, 2927360), (160, 2506552), (256, 1566595), (274, 1463680), (320, 1253276), (548, 731840), (640, 626638), (685, 585472), (1096, 365920), (1280, 313319), (1370, 292736), (2192, 182960), (2287, 175360), (2740, 146368), (4384, 91480), (4574, 87680), (5480, 73184), (8768, 45740), (9148, 43840), (10960, 36592), (11435, 35072), (17536, 22870), (18296, 21920)]