208142080

素因数分解:

$2^8\times 5^1\times {\mathrm{162611}}^1$

素因数の和:162632

約数の個数: 36

約数和(自身を含む): 498568392

約数和(自身を除く): 290426312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 162611, 325222, 650444, 813055, 1300888, 1626110, 2601776, 3252220, 5203552, 6504440, 10407104, 13008880, 20814208, 26017760, 41628416, 52035520, 104071040, 208142080]

約数ペア:

[(1, 208142080), (2, 104071040), (4, 52035520), (5, 41628416), (8, 26017760), (10, 20814208), (16, 13008880), (20, 10407104), (32, 6504440), (40, 5203552), (64, 3252220), (80, 2601776), (128, 1626110), (160, 1300888), (256, 813055), (320, 650444), (640, 325222), (1280, 162611)]