13187840

素因数分解:

$2^8\times 5^1\times {\mathrm{10303}}^1$

素因数の和:10324

約数の個数: 36

約数和(自身を含む): 31592064

約数和(自身を除く): 18404224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10303, 20606, 41212, 51515, 82424, 103030, 164848, 206060, 329696, 412120, 659392, 824240, 1318784, 1648480, 2637568, 3296960, 6593920, 13187840]

約数ペア:

[(1, 13187840), (2, 6593920), (4, 3296960), (5, 2637568), (8, 1648480), (10, 1318784), (16, 824240), (20, 659392), (32, 412120), (40, 329696), (64, 206060), (80, 164848), (128, 103030), (160, 82424), (256, 51515), (320, 41212), (640, 20606), (1280, 10303)]