13700480

素因数分解:

$2^7\times 5^1\times {\mathrm{21407}}^1$

素因数の和:21426

約数の個数: 32

約数和(自身を含む): 32754240

約数和(自身を除く): 19053760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21407, 42814, 85628, 107035, 171256, 214070, 342512, 428140, 685024, 856280, 1370048, 1712560, 2740096, 3425120, 6850240, 13700480]

約数ペア:

[(1, 13700480), (2, 6850240), (4, 3425120), (5, 2740096), (8, 1712560), (10, 1370048), (16, 856280), (20, 685024), (32, 428140), (40, 342512), (64, 214070), (80, 171256), (128, 107035), (160, 85628), (320, 42814), (640, 21407)]