65485760

素因数分解:

$2^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1811}}^1$

素因数の和:1941

約数の個数: 56

約数和(自身を含む): 157404816

約数和(自身を除く): 91919056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 160, 226, 320, 452, 565, 904, 1130, 1808, 1811, 2260, 3616, 3622, 4520, 7232, 7244, 9040, 9055, 14488, 18080, 18110, 28976, 36160, 36220, 57952, 72440, 115904, 144880, 204643, 289760, 409286, 579520, 818572, 1023215, 1637144, 2046430, 3274288, 4092860, 6548576, 8185720, 13097152, 16371440, 32742880, 65485760]

約数ペア:

[(1, 65485760), (2, 32742880), (4, 16371440), (5, 13097152), (8, 8185720), (10, 6548576), (16, 4092860), (20, 3274288), (32, 2046430), (40, 1637144), (64, 1023215), (80, 818572), (113, 579520), (160, 409286), (226, 289760), (320, 204643), (452, 144880), (565, 115904), (904, 72440), (1130, 57952), (1808, 36220), (1811, 36160), (2260, 28976), (3616, 18110), (3622, 18080), (4520, 14488), (7232, 9055), (7244, 9040)]