90374680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{205397}}^1$

素因数の和:205419

約数の個数: 32

約数和(自身を含む): 221829840

約数和(自身を除く): 131455160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 205397, 410794, 821588, 1026985, 1643176, 2053970, 2259367, 4107940, 4518734, 8215880, 9037468, 11296835, 18074936, 22593670, 45187340, 90374680]

約数ペア:

[(1, 90374680), (2, 45187340), (4, 22593670), (5, 18074936), (8, 11296835), (10, 9037468), (11, 8215880), (20, 4518734), (22, 4107940), (40, 2259367), (44, 2053970), (55, 1643176), (88, 1026985), (110, 821588), (220, 410794), (440, 205397)]