80285975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 125349120

約数和(自身を除く): 45063145

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 179, 233, 275, 385, 895, 1165, 1253, 1631, 1925, 1969, 2563, 4475, 5825, 6265, 8155, 9845, 12815, 13783, 17941, 31325, 40775, 41707, 49225, 64075, 68915, 89705, 208535, 291949, 344575, 448525, 458777, 1042675, 1459745, 2293885, 3211439, 7298725, 11469425, 16057195, 80285975]

約数ペア:

[(1, 80285975), (5, 16057195), (7, 11469425), (11, 7298725), (25, 3211439), (35, 2293885), (55, 1459745), (77, 1042675), (175, 458777), (179, 448525), (233, 344575), (275, 291949), (385, 208535), (895, 89705), (1165, 68915), (1253, 64075), (1631, 49225), (1925, 41707), (1969, 40775), (2563, 31325), (4475, 17941), (5825, 13783), (6265, 12815), (8155, 9845)]