820208172170

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{37745429}}^1$

素因数の和:37745530

約数の個数: 32

約数和(自身を含む): 1540919434320

約数和(自身を除く): 720711262150

約数列:

[1, 2, 5, 10, 41, 53, 82, 106, 205, 265, 410, 530, 2173, 4346, 10865, 21730, 37745429, 75490858, 188727145, 377454290, 1547562589, 2000507737, 3095125178, 4001015474, 7737812945, 10002538685, 15475625890, 20005077370, 82020817217, 164041634434, 410104086085, 820208172170]

約数ペア:

[(1, 820208172170), (2, 410104086085), (5, 164041634434), (10, 82020817217), (41, 20005077370), (53, 15475625890), (82, 10002538685), (106, 7737812945), (205, 4001015474), (265, 3095125178), (410, 2000507737), (530, 1547562589), (2173, 377454290), (4346, 188727145), (10865, 75490858), (21730, 37745429)]