31939520

素因数分解:

$2^6\times 5^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:829

約数の個数: 56

約数和(自身を含む): 76675488

約数和(自身を除く): 44735968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 151, 160, 302, 320, 604, 661, 755, 1208, 1322, 1510, 2416, 2644, 3020, 3305, 4832, 5288, 6040, 6610, 9664, 10576, 12080, 13220, 21152, 24160, 26440, 42304, 48320, 52880, 99811, 105760, 199622, 211520, 399244, 499055, 798488, 998110, 1596976, 1996220, 3193952, 3992440, 6387904, 7984880, 15969760, 31939520]

約数ペア:

[(1, 31939520), (2, 15969760), (4, 7984880), (5, 6387904), (8, 3992440), (10, 3193952), (16, 1996220), (20, 1596976), (32, 998110), (40, 798488), (64, 499055), (80, 399244), (151, 211520), (160, 199622), (302, 105760), (320, 99811), (604, 52880), (661, 48320), (755, 42304), (1208, 26440), (1322, 24160), (1510, 21152), (2416, 13220), (2644, 12080), (3020, 10576), (3305, 9664), (4832, 6610), (5288, 6040)]