133080320

素因数分解:

$2^8\times 5^1\times {\mathrm{103969}}^1$

素因数の和:103990

約数の個数: 36

約数和(自身を含む): 318772020

約数和(自身を除く): 185691700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 103969, 207938, 415876, 519845, 831752, 1039690, 1663504, 2079380, 3327008, 4158760, 6654016, 8317520, 13308032, 16635040, 26616064, 33270080, 66540160, 133080320]

約数ペア:

[(1, 133080320), (2, 66540160), (4, 33270080), (5, 26616064), (8, 16635040), (10, 13308032), (16, 8317520), (20, 6654016), (32, 4158760), (40, 3327008), (64, 2079380), (80, 1663504), (128, 1039690), (160, 831752), (256, 519845), (320, 415876), (640, 207938), (1280, 103969)]