7973144320

素因数分解:

$2^8\times 5^1\times {\mathrm{311}}^1\times {\mathrm{20029}}^1$

素因数の和:20361

約数の個数: 72

約数和(自身を含む): 19160537760

約数和(自身を除く): 11187393440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 311, 320, 622, 640, 1244, 1280, 1555, 2488, 3110, 4976, 6220, 9952, 12440, 19904, 20029, 24880, 39808, 40058, 49760, 79616, 80116, 99520, 100145, 160232, 199040, 200290, 320464, 398080, 400580, 640928, 801160, 1281856, 1602320, 2563712, 3204640, 5127424, 6229019, 6409280, 12458038, 12818560, 24916076, 25637120, 31145095, 49832152, 62290190, 99664304, 124580380, 199328608, 249160760, 398657216, 498321520, 797314432, 996643040, 1594628864, 1993286080, 3986572160, 7973144320]

約数ペア:

[(1, 7973144320), (2, 3986572160), (4, 1993286080), (5, 1594628864), (8, 996643040), (10, 797314432), (16, 498321520), (20, 398657216), (32, 249160760), (40, 199328608), (64, 124580380), (80, 99664304), (128, 62290190), (160, 49832152), (256, 31145095), (311, 25637120), (320, 24916076), (622, 12818560), (640, 12458038), (1244, 6409280), (1280, 6229019), (1555, 5127424), (2488, 3204640), (3110, 2563712), (4976, 1602320), (6220, 1281856), (9952, 801160), (12440, 640928), (19904, 400580), (20029, 398080), (24880, 320464), (39808, 200290), (40058, 199040), (49760, 160232), (79616, 100145), (80116, 99520)]