31358080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3769}}^1$

素因数の和:3801

約数の個数: 64

約数和(自身を含む): 80753400

約数和(自身を除く): 49395320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3769, 4160, 7538, 8320, 15076, 18845, 30152, 37690, 48997, 60304, 75380, 97994, 120608, 150760, 195988, 241216, 244985, 301520, 391976, 482432, 489970, 603040, 783952, 979940, 1206080, 1567904, 1959880, 2412160, 3135808, 3919760, 6271616, 7839520, 15679040, 31358080]

約数ペア:

[(1, 31358080), (2, 15679040), (4, 7839520), (5, 6271616), (8, 3919760), (10, 3135808), (13, 2412160), (16, 1959880), (20, 1567904), (26, 1206080), (32, 979940), (40, 783952), (52, 603040), (64, 489970), (65, 482432), (80, 391976), (104, 301520), (128, 244985), (130, 241216), (160, 195988), (208, 150760), (260, 120608), (320, 97994), (416, 75380), (520, 60304), (640, 48997), (832, 37690), (1040, 30152), (1664, 18845), (2080, 15076), (3769, 8320), (4160, 7538)]