82568960

素因数分解:

$2^8\times 5^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 199339056

約数和(自身を除く): 116770096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 256, 257, 320, 502, 514, 640, 1004, 1028, 1255, 1280, 1285, 2008, 2056, 2510, 2570, 4016, 4112, 5020, 5140, 8032, 8224, 10040, 10280, 16064, 16448, 20080, 20560, 32128, 32896, 40160, 41120, 64256, 64507, 65792, 80320, 82240, 129014, 160640, 164480, 258028, 321280, 322535, 328960, 516056, 645070, 1032112, 1290140, 2064224, 2580280, 4128448, 5160560, 8256896, 10321120, 16513792, 20642240, 41284480, 82568960]

約数ペア:

[(1, 82568960), (2, 41284480), (4, 20642240), (5, 16513792), (8, 10321120), (10, 8256896), (16, 5160560), (20, 4128448), (32, 2580280), (40, 2064224), (64, 1290140), (80, 1032112), (128, 645070), (160, 516056), (251, 328960), (256, 322535), (257, 321280), (320, 258028), (502, 164480), (514, 160640), (640, 129014), (1004, 82240), (1028, 80320), (1255, 65792), (1280, 64507), (1285, 64256), (2008, 41120), (2056, 40160), (2510, 32896), (2570, 32128), (4016, 20560), (4112, 20080), (5020, 16448), (5140, 16064), (8032, 10280), (8224, 10040)]