89479820

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{41813}}^1$

素因数の和:41929

約数の個数: 24

約数和(自身を含む): 189668304

約数和(自身を除く): 100188484

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 41813, 83626, 167252, 209065, 418130, 836260, 4473991, 8947982, 17895964, 22369955, 44739910, 89479820]

約数ペア:

[(1, 89479820), (2, 44739910), (4, 22369955), (5, 17895964), (10, 8947982), (20, 4473991), (107, 836260), (214, 418130), (428, 209065), (535, 167252), (1070, 83626), (2140, 41813)]