89765860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{41177}}^1$

素因数の和:41295

約数の個数: 24

約数和(自身を含む): 190242360

約数和(自身を除く): 100476500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 41177, 82354, 164708, 205885, 411770, 823540, 4488293, 8976586, 17953172, 22441465, 44882930, 89765860]

約数ペア:

[(1, 89765860), (2, 44882930), (4, 22441465), (5, 17953172), (10, 8976586), (20, 4488293), (109, 823540), (218, 411770), (436, 205885), (545, 164708), (1090, 82354), (2180, 41177)]