80885120

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2689}}^1$

素因数の和:2755

約数の個数: 64

約数和(自身を含む): 197553600

約数和(自身を除く): 116668480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 2689, 3008, 3760, 5378, 6016, 7520, 10756, 13445, 15040, 21512, 26890, 30080, 43024, 53780, 86048, 107560, 126383, 172096, 215120, 252766, 344192, 430240, 505532, 631915, 860480, 1011064, 1263830, 1720960, 2022128, 2527660, 4044256, 5055320, 8088512, 10110640, 16177024, 20221280, 40442560, 80885120]

約数ペア:

[(1, 80885120), (2, 40442560), (4, 20221280), (5, 16177024), (8, 10110640), (10, 8088512), (16, 5055320), (20, 4044256), (32, 2527660), (40, 2022128), (47, 1720960), (64, 1263830), (80, 1011064), (94, 860480), (128, 631915), (160, 505532), (188, 430240), (235, 344192), (320, 252766), (376, 215120), (470, 172096), (640, 126383), (752, 107560), (940, 86048), (1504, 53780), (1880, 43024), (2689, 30080), (3008, 26890), (3760, 21512), (5378, 15040), (6016, 13445), (7520, 10756)]