201678080

素因数分解:

$2^8\times 5^1\times {\mathrm{157561}}^1$

素因数の和:157582

約数の個数: 36

約数和(自身を含む): 483085092

約数和(自身を除く): 281407012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 157561, 315122, 630244, 787805, 1260488, 1575610, 2520976, 3151220, 5041952, 6302440, 10083904, 12604880, 20167808, 25209760, 40335616, 50419520, 100839040, 201678080]

約数ペア:

[(1, 201678080), (2, 100839040), (4, 50419520), (5, 40335616), (8, 25209760), (10, 20167808), (16, 12604880), (20, 10083904), (32, 6302440), (40, 5041952), (64, 3151220), (80, 2520976), (128, 1575610), (160, 1260488), (256, 787805), (320, 630244), (640, 315122), (1280, 157561)]