13204480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{2579}}^1$

素因数の和:2604

約数の個数: 44

約数和(自身を含む): 31687560

約数和(自身を除く): 18483080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 2579, 5120, 5158, 10316, 12895, 20632, 25790, 41264, 51580, 82528, 103160, 165056, 206320, 330112, 412640, 660224, 825280, 1320448, 1650560, 2640896, 3301120, 6602240, 13204480]

約数ペア:

[(1, 13204480), (2, 6602240), (4, 3301120), (5, 2640896), (8, 1650560), (10, 1320448), (16, 825280), (20, 660224), (32, 412640), (40, 330112), (64, 206320), (80, 165056), (128, 103160), (160, 82528), (256, 51580), (320, 41264), (512, 25790), (640, 20632), (1024, 12895), (1280, 10316), (2560, 5158), (2579, 5120)]