20100618280

素因数分解:

$2^3\times 5^1\times {\mathrm{502515457}}^1$

素因数の和:502515468

約数の個数: 16

約数和(自身を含む): 45226391220

約数和(自身を除く): 25125772940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502515457, 1005030914, 2010061828, 2512577285, 4020123656, 5025154570, 10050309140, 20100618280]

約数ペア:

[(1, 20100618280), (2, 10050309140), (4, 5025154570), (5, 4020123656), (8, 2512577285), (10, 2010061828), (20, 1005030914), (40, 502515457)]