1216402280

素因数分解:

$2^3\times 5^1\times {\mathrm{30410057}}^1$

素因数の和:30410068

約数の個数: 16

約数和(自身を含む): 2736905220

約数和(自身を除く): 1520502940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 30410057, 60820114, 121640228, 152050285, 243280456, 304100570, 608201140, 1216402280]

約数ペア:

[(1, 1216402280), (2, 608201140), (4, 304100570), (5, 243280456), (8, 152050285), (10, 121640228), (20, 60820114), (40, 30410057)]