99840400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{22691}}^1$

素因数の和:22720

約数の個数: 60

約数和(自身を含む): 261684144

約数和(自身を除く): 161843744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 22691, 45382, 90764, 113455, 181528, 226910, 249601, 363056, 453820, 499202, 567275, 907640, 998404, 1134550, 1248005, 1815280, 1996808, 2269100, 2496010, 3993616, 4538200, 4992020, 6240025, 9076400, 9984040, 12480050, 19968080, 24960100, 49920200, 99840400]

約数ペア:

[(1, 99840400), (2, 49920200), (4, 24960100), (5, 19968080), (8, 12480050), (10, 9984040), (11, 9076400), (16, 6240025), (20, 4992020), (22, 4538200), (25, 3993616), (40, 2496010), (44, 2269100), (50, 1996808), (55, 1815280), (80, 1248005), (88, 1134550), (100, 998404), (110, 907640), (176, 567275), (200, 499202), (220, 453820), (275, 363056), (400, 249601), (440, 226910), (550, 181528), (880, 113455), (1100, 90764), (2200, 45382), (4400, 22691)]