8579780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 20018880

約数和(自身を除く): 11439100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 661, 1180, 1298, 1322, 2596, 2644, 3245, 3305, 6490, 6610, 7271, 12980, 13220, 14542, 29084, 36355, 38999, 72710, 77998, 145420, 155996, 194995, 389990, 428989, 779980, 857978, 1715956, 2144945, 4289890, 8579780]

約数ペア:

[(1, 8579780), (2, 4289890), (4, 2144945), (5, 1715956), (10, 857978), (11, 779980), (20, 428989), (22, 389990), (44, 194995), (55, 155996), (59, 145420), (110, 77998), (118, 72710), (220, 38999), (236, 36355), (295, 29084), (590, 14542), (649, 13220), (661, 12980), (1180, 7271), (1298, 6610), (1322, 6490), (2596, 3305), (2644, 3245)]