2005021645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{40823}}^1$

素因数の和:40905

約数の個数: 32

約数和(自身を含む): 2821754880

約数和(自身を除く): 816733235

約数列:

[1, 5, 11, 19, 47, 55, 95, 209, 235, 517, 893, 1045, 2585, 4465, 9823, 40823, 49115, 204115, 449053, 775637, 1918681, 2245265, 3878185, 8532007, 9593405, 21105491, 36454939, 42660035, 105527455, 182274695, 401004329, 2005021645]

約数ペア:

[(1, 2005021645), (5, 401004329), (11, 182274695), (19, 105527455), (47, 42660035), (55, 36454939), (95, 21105491), (209, 9593405), (235, 8532007), (517, 3878185), (893, 2245265), (1045, 1918681), (2585, 775637), (4465, 449053), (9823, 204115), (40823, 49115)]