202955440

素因数分解:

$2^4\times 5^1\times {\mathrm{2536943}}^1$

素因数の和:2536956

約数の個数: 20

約数和(自身を含む): 471871584

約数和(自身を除く): 268916144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2536943, 5073886, 10147772, 12684715, 20295544, 25369430, 40591088, 50738860, 101477720, 202955440]

約数ペア:

[(1, 202955440), (2, 101477720), (4, 50738860), (5, 40591088), (8, 25369430), (10, 20295544), (16, 12684715), (20, 10147772), (40, 5073886), (80, 2536943)]