1979134880

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{90289}}^1$

素因数の和:90441

約数の個数: 48

約数和(自身を含む): 4709887560

約数和(自身を除く): 2730752680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 10960, 21920, 90289, 180578, 361156, 451445, 722312, 902890, 1444624, 1805780, 2889248, 3611560, 7223120, 12369593, 14446240, 24739186, 49478372, 61847965, 98956744, 123695930, 197913488, 247391860, 395826976, 494783720, 989567440, 1979134880]

約数ペア:

[(1, 1979134880), (2, 989567440), (4, 494783720), (5, 395826976), (8, 247391860), (10, 197913488), (16, 123695930), (20, 98956744), (32, 61847965), (40, 49478372), (80, 24739186), (137, 14446240), (160, 12369593), (274, 7223120), (548, 3611560), (685, 2889248), (1096, 1805780), (1370, 1444624), (2192, 902890), (2740, 722312), (4384, 451445), (5480, 361156), (10960, 180578), (21920, 90289)]