80541080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42841}}^1$

素因数の和:42899

約数の個数: 32

約数和(自身を含む): 185077440

約数和(自身を除く): 104536360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 42841, 85682, 171364, 214205, 342728, 428410, 856820, 1713640, 2013527, 4027054, 8054108, 10067635, 16108216, 20135270, 40270540, 80541080]

約数ペア:

[(1, 80541080), (2, 40270540), (4, 20135270), (5, 16108216), (8, 10067635), (10, 8054108), (20, 4027054), (40, 2013527), (47, 1713640), (94, 856820), (188, 428410), (235, 342728), (376, 214205), (470, 171364), (940, 85682), (1880, 42841)]