78812420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83843}}^1$

素因数の和:83899

約数の個数: 24

約数和(自身を含む): 169029504

約数和(自身を除く): 90217084

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 83843, 167686, 335372, 419215, 838430, 1676860, 3940621, 7881242, 15762484, 19703105, 39406210, 78812420]

約数ペア:

[(1, 78812420), (2, 39406210), (4, 19703105), (5, 15762484), (10, 7881242), (20, 3940621), (47, 1676860), (94, 838430), (188, 419215), (235, 335372), (470, 167686), (940, 83843)]