28494080

素因数分解:

$2^8\times 5^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 69205752

約数和(自身を除く): 40711672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 197, 226, 256, 320, 394, 452, 565, 640, 788, 904, 985, 1130, 1280, 1576, 1808, 1970, 2260, 3152, 3616, 3940, 4520, 6304, 7232, 7880, 9040, 12608, 14464, 15760, 18080, 22261, 25216, 28928, 31520, 36160, 44522, 50432, 63040, 72320, 89044, 111305, 126080, 144640, 178088, 222610, 252160, 356176, 445220, 712352, 890440, 1424704, 1780880, 2849408, 3561760, 5698816, 7123520, 14247040, 28494080]

約数ペア:

[(1, 28494080), (2, 14247040), (4, 7123520), (5, 5698816), (8, 3561760), (10, 2849408), (16, 1780880), (20, 1424704), (32, 890440), (40, 712352), (64, 445220), (80, 356176), (113, 252160), (128, 222610), (160, 178088), (197, 144640), (226, 126080), (256, 111305), (320, 89044), (394, 72320), (452, 63040), (565, 50432), (640, 44522), (788, 36160), (904, 31520), (985, 28928), (1130, 25216), (1280, 22261), (1576, 18080), (1808, 15760), (1970, 14464), (2260, 12608), (3152, 9040), (3616, 7880), (3940, 7232), (4520, 6304)]