40347416

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2213}}^1$

素因数の和:2315

約数の個数: 32

約数和(自身を含む): 78906960

約数和(自身を除く): 38559544

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 2213, 2279, 4426, 4558, 8852, 9116, 17704, 18232, 95159, 117289, 190318, 234578, 380636, 469156, 761272, 938312, 5043427, 10086854, 20173708, 40347416]

約数ペア:

[(1, 40347416), (2, 20173708), (4, 10086854), (8, 5043427), (43, 938312), (53, 761272), (86, 469156), (106, 380636), (172, 234578), (212, 190318), (344, 117289), (424, 95159), (2213, 18232), (2279, 17704), (4426, 9116), (4558, 8852)]