28839800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13109}}^1$

素因数の和:13136

約数の個数: 48

約数和(自身を含む): 73153800

約数和(自身を除く): 44314000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 13109, 26218, 52436, 65545, 104872, 131090, 144199, 262180, 288398, 327725, 524360, 576796, 655450, 720995, 1153592, 1310900, 1441990, 2621800, 2883980, 3604975, 5767960, 7209950, 14419900, 28839800]

約数ペア:

[(1, 28839800), (2, 14419900), (4, 7209950), (5, 5767960), (8, 3604975), (10, 2883980), (11, 2621800), (20, 1441990), (22, 1310900), (25, 1153592), (40, 720995), (44, 655450), (50, 576796), (55, 524360), (88, 327725), (100, 288398), (110, 262180), (200, 144199), (220, 131090), (275, 104872), (440, 65545), (550, 52436), (1100, 26218), (2200, 13109)]