2644107520

素因数分解:

$2^8\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4663}}^1$

素因数の和:5127

約数の個数: 72

約数和(自身を含む): 6349121856

約数和(自身を除く): 3705014336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 443, 640, 886, 1280, 1772, 2215, 3544, 4430, 4663, 7088, 8860, 9326, 14176, 17720, 18652, 23315, 28352, 35440, 37304, 46630, 56704, 70880, 74608, 93260, 113408, 141760, 149216, 186520, 283520, 298432, 373040, 567040, 596864, 746080, 1193728, 1492160, 2065709, 2984320, 4131418, 5968640, 8262836, 10328545, 16525672, 20657090, 33051344, 41314180, 66102688, 82628360, 132205376, 165256720, 264410752, 330513440, 528821504, 661026880, 1322053760, 2644107520]

約数ペア:

[(1, 2644107520), (2, 1322053760), (4, 661026880), (5, 528821504), (8, 330513440), (10, 264410752), (16, 165256720), (20, 132205376), (32, 82628360), (40, 66102688), (64, 41314180), (80, 33051344), (128, 20657090), (160, 16525672), (256, 10328545), (320, 8262836), (443, 5968640), (640, 4131418), (886, 2984320), (1280, 2065709), (1772, 1492160), (2215, 1193728), (3544, 746080), (4430, 596864), (4663, 567040), (7088, 373040), (8860, 298432), (9326, 283520), (14176, 186520), (17720, 149216), (18652, 141760), (23315, 113408), (28352, 93260), (35440, 74608), (37304, 70880), (46630, 56704)]