87771520

素因数分解:

$2^7\times 5^1\times {\mathrm{137143}}^1$

素因数の和:137162

約数の個数: 32

約数和(自身を含む): 209830320

約数和(自身を除く): 122058800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 137143, 274286, 548572, 685715, 1097144, 1371430, 2194288, 2742860, 4388576, 5485720, 8777152, 10971440, 17554304, 21942880, 43885760, 87771520]

約数ペア:

[(1, 87771520), (2, 43885760), (4, 21942880), (5, 17554304), (8, 10971440), (10, 8777152), (16, 5485720), (20, 4388576), (32, 2742860), (40, 2194288), (64, 1371430), (80, 1097144), (128, 685715), (160, 548572), (320, 274286), (640, 137143)]