201638264860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{245900323}}^1$

素因数の和:245900373

約数の個数: 24

約数和(自身を含む): 433768171536

約数和(自身を除く): 232129906676

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 245900323, 491800646, 983601292, 1229501615, 2459003230, 4918006460, 10081913243, 20163826486, 40327652972, 50409566215, 100819132430, 201638264860]

約数ペア:

[(1, 201638264860), (2, 100819132430), (4, 50409566215), (5, 40327652972), (10, 20163826486), (20, 10081913243), (41, 4918006460), (82, 2459003230), (164, 1229501615), (205, 983601292), (410, 491800646), (820, 245900323)]