25682560

素因数分解:

$2^7\times 5^1\times {\mathrm{40129}}^1$

素因数の和:40148

約数の個数: 32

約数和(自身を含む): 61398900

約数和(自身を除く): 35716340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 40129, 80258, 160516, 200645, 321032, 401290, 642064, 802580, 1284128, 1605160, 2568256, 3210320, 5136512, 6420640, 12841280, 25682560]

約数ペア:

[(1, 25682560), (2, 12841280), (4, 6420640), (5, 5136512), (8, 3210320), (10, 2568256), (16, 1605160), (20, 1284128), (32, 802580), (40, 642064), (64, 401290), (80, 321032), (128, 200645), (160, 160516), (320, 80258), (640, 40129)]