85707520

素因数分解:

$2^8\times 5^1\times {\mathrm{66959}}^1$

素因数の和:66980

約数の個数: 36

約数和(自身を含む): 205299360

約数和(自身を除く): 119591840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 66959, 133918, 267836, 334795, 535672, 669590, 1071344, 1339180, 2142688, 2678360, 4285376, 5356720, 8570752, 10713440, 17141504, 21426880, 42853760, 85707520]

約数ペア:

[(1, 85707520), (2, 42853760), (4, 21426880), (5, 17141504), (8, 10713440), (10, 8570752), (16, 5356720), (20, 4285376), (32, 2678360), (40, 2142688), (64, 1339180), (80, 1071344), (128, 669590), (160, 535672), (256, 334795), (320, 267836), (640, 133918), (1280, 66959)]