78866860

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{39043}}^1$

素因数の和:39153

約数の個数: 24

約数和(自身を含む): 167264496

約数和(自身を除く): 88397636

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 39043, 78086, 156172, 195215, 390430, 780860, 3943343, 7886686, 15773372, 19716715, 39433430, 78866860]

約数ペア:

[(1, 78866860), (2, 39433430), (4, 19716715), (5, 15773372), (10, 7886686), (20, 3943343), (101, 780860), (202, 390430), (404, 195215), (505, 156172), (1010, 78086), (2020, 39043)]