40080784

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{86381}}^1$

素因数の和:86418

約数の個数: 20

約数和(自身を含む): 80335260

約数和(自身を除く): 40254476

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 86381, 172762, 345524, 691048, 1382096, 2505049, 5010098, 10020196, 20040392, 40080784]

約数ペア:

[(1, 40080784), (2, 20040392), (4, 10020196), (8, 5010098), (16, 2505049), (29, 1382096), (58, 691048), (116, 345524), (232, 172762), (464, 86381)]