12690880

素因数分解:

$2^6\times 5^1\times {\mathrm{39659}}^1$

素因数の和:39676

約数の個数: 28

約数和(自身を含む): 30220920

約数和(自身を除く): 17530040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 39659, 79318, 158636, 198295, 317272, 396590, 634544, 793180, 1269088, 1586360, 2538176, 3172720, 6345440, 12690880]

約数ペア:

[(1, 12690880), (2, 6345440), (4, 3172720), (5, 2538176), (8, 1586360), (10, 1269088), (16, 793180), (20, 634544), (32, 396590), (40, 317272), (64, 198295), (80, 158636), (160, 79318), (320, 39659)]