87638260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1381}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 195027840

約数和(自身を除く): 107389580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 668, 835, 1381, 1670, 2762, 3173, 3340, 5524, 6346, 6905, 12692, 13810, 15865, 26239, 27620, 31730, 52478, 63460, 104956, 131195, 230627, 262390, 461254, 524780, 922508, 1153135, 2306270, 4381913, 4612540, 8763826, 17527652, 21909565, 43819130, 87638260]

約数ペア:

[(1, 87638260), (2, 43819130), (4, 21909565), (5, 17527652), (10, 8763826), (19, 4612540), (20, 4381913), (38, 2306270), (76, 1153135), (95, 922508), (167, 524780), (190, 461254), (334, 262390), (380, 230627), (668, 131195), (835, 104956), (1381, 63460), (1670, 52478), (2762, 31730), (3173, 27620), (3340, 26239), (5524, 15865), (6346, 13810), (6905, 12692)]