39966224

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{40949}}^1$

素因数の和:41018

約数の個数: 20

約数和(自身を含む): 78705900

約数和(自身を除く): 38739676

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 40949, 81898, 163796, 327592, 655184, 2497889, 4995778, 9991556, 19983112, 39966224]

約数ペア:

[(1, 39966224), (2, 19983112), (4, 9991556), (8, 4995778), (16, 2497889), (61, 655184), (122, 327592), (244, 163796), (488, 81898), (976, 40949)]