8359540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 21071232

約数和(自身を除く): 12711692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 71, 116, 140, 142, 145, 203, 284, 290, 355, 406, 497, 580, 710, 812, 841, 994, 1015, 1420, 1682, 1988, 2030, 2059, 2485, 3364, 4060, 4118, 4205, 4970, 5887, 8236, 8410, 9940, 10295, 11774, 14413, 16820, 20590, 23548, 28826, 29435, 41180, 57652, 58870, 59711, 72065, 117740, 119422, 144130, 238844, 288260, 298555, 417977, 597110, 835954, 1194220, 1671908, 2089885, 4179770, 8359540]

約数ペア:

[(1, 8359540), (2, 4179770), (4, 2089885), (5, 1671908), (7, 1194220), (10, 835954), (14, 597110), (20, 417977), (28, 298555), (29, 288260), (35, 238844), (58, 144130), (70, 119422), (71, 117740), (116, 72065), (140, 59711), (142, 58870), (145, 57652), (203, 41180), (284, 29435), (290, 28826), (355, 23548), (406, 20590), (497, 16820), (580, 14413), (710, 11774), (812, 10295), (841, 9940), (994, 8410), (1015, 8236), (1420, 5887), (1682, 4970), (1988, 4205), (2030, 4118), (2059, 4060), (2485, 3364)]