8266642660

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{655043}}^1$

素因数の和:655683

約数の個数: 24

約数和(自身を含む): 17387487936

約数和(自身を除く): 9120845276

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 12620, 655043, 1310086, 2620172, 3275215, 6550430, 13100860, 413332133, 826664266, 1653328532, 2066660665, 4133321330, 8266642660]

約数ペア:

[(1, 8266642660), (2, 4133321330), (4, 2066660665), (5, 1653328532), (10, 826664266), (20, 413332133), (631, 13100860), (1262, 6550430), (2524, 3275215), (3155, 2620172), (6310, 1310086), (12620, 655043)]