13104640

素因数分解:

$2^9\times 5^1\times {\mathrm{5119}}^1$

素因数の和:5142

約数の個数: 40

約数和(自身を含む): 31426560

約数和(自身を除く): 18321920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 5119, 10238, 20476, 25595, 40952, 51190, 81904, 102380, 163808, 204760, 327616, 409520, 655232, 819040, 1310464, 1638080, 2620928, 3276160, 6552320, 13104640]

約数ペア:

[(1, 13104640), (2, 6552320), (4, 3276160), (5, 2620928), (8, 1638080), (10, 1310464), (16, 819040), (20, 655232), (32, 409520), (40, 327616), (64, 204760), (80, 163808), (128, 102380), (160, 81904), (256, 51190), (320, 40952), (512, 25595), (640, 20476), (1280, 10238), (2560, 5119)]