8346140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 19474560

約数和(自身を除く): 11128420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 643, 649, 1180, 1286, 1298, 2572, 2596, 3215, 3245, 6430, 6490, 7073, 12860, 12980, 14146, 28292, 35365, 37937, 70730, 75874, 141460, 151748, 189685, 379370, 417307, 758740, 834614, 1669228, 2086535, 4173070, 8346140]

約数ペア:

[(1, 8346140), (2, 4173070), (4, 2086535), (5, 1669228), (10, 834614), (11, 758740), (20, 417307), (22, 379370), (44, 189685), (55, 151748), (59, 141460), (110, 75874), (118, 70730), (220, 37937), (236, 35365), (295, 28292), (590, 14146), (643, 12980), (649, 12860), (1180, 7073), (1286, 6490), (1298, 6430), (2572, 3245), (2596, 3215)]