123469880

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{22531}}^1$

素因数の和:22679

約数の個数: 32

約数和(自身を含む): 279847440

約数和(自身を除く): 156377560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 22531, 45062, 90124, 112655, 180248, 225310, 450620, 901240, 3086747, 6173494, 12346988, 15433735, 24693976, 30867470, 61734940, 123469880]

約数ペア:

[(1, 123469880), (2, 61734940), (4, 30867470), (5, 24693976), (8, 15433735), (10, 12346988), (20, 6173494), (40, 3086747), (137, 901240), (274, 450620), (548, 225310), (685, 180248), (1096, 112655), (1370, 90124), (2740, 45062), (5480, 22531)]