99589220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{55949}}^1$

素因数の和:56047

約数の個数: 24

約数和(自身を含む): 211491000

約数和(自身を除く): 111901780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 55949, 111898, 223796, 279745, 559490, 1118980, 4979461, 9958922, 19917844, 24897305, 49794610, 99589220]

約数ペア:

[(1, 99589220), (2, 49794610), (4, 24897305), (5, 19917844), (10, 9958922), (20, 4979461), (89, 1118980), (178, 559490), (356, 279745), (445, 223796), (890, 111898), (1780, 55949)]