855102520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{257561}}^1$

素因数の和:257655

約数の個数: 32

約数和(自身を含む): 1947168720

約数和(自身を除く): 1092066200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 257561, 515122, 1030244, 1287805, 2060488, 2575610, 5151220, 10302440, 21377563, 42755126, 85510252, 106887815, 171020504, 213775630, 427551260, 855102520]

約数ペア:

[(1, 855102520), (2, 427551260), (4, 213775630), (5, 171020504), (8, 106887815), (10, 85510252), (20, 42755126), (40, 21377563), (83, 10302440), (166, 5151220), (332, 2575610), (415, 2060488), (664, 1287805), (830, 1030244), (1660, 515122), (3320, 257561)]