87817060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{61843}}^1$

素因数の和:61923

約数の個数: 24

約数和(自身を含む): 187016256

約数和(自身を除く): 99199196

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 61843, 123686, 247372, 309215, 618430, 1236860, 4390853, 8781706, 17563412, 21954265, 43908530, 87817060]

約数ペア:

[(1, 87817060), (2, 43908530), (4, 21954265), (5, 17563412), (10, 8781706), (20, 4390853), (71, 1236860), (142, 618430), (284, 309215), (355, 247372), (710, 123686), (1420, 61843)]