12389120

素因数分解:

$2^8\times 5^1\times {\mathrm{9679}}^1$

素因数の和:9700

約数の個数: 36

約数和(自身を含む): 29678880

約数和(自身を除く): 17289760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 9679, 19358, 38716, 48395, 77432, 96790, 154864, 193580, 309728, 387160, 619456, 774320, 1238912, 1548640, 2477824, 3097280, 6194560, 12389120]

約数ペア:

[(1, 12389120), (2, 6194560), (4, 3097280), (5, 2477824), (8, 1548640), (10, 1238912), (16, 774320), (20, 619456), (32, 387160), (40, 309728), (64, 193580), (80, 154864), (128, 96790), (160, 77432), (256, 48395), (320, 38716), (640, 19358), (1280, 9679)]