8639740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25411}}^1$

素因数の和:25437

約数の個数: 24

約数和(自身を含む): 19211472

約数和(自身を除く): 10571732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 25411, 50822, 101644, 127055, 254110, 431987, 508220, 863974, 1727948, 2159935, 4319870, 8639740]

約数ペア:

[(1, 8639740), (2, 4319870), (4, 2159935), (5, 1727948), (10, 863974), (17, 508220), (20, 431987), (34, 254110), (68, 127055), (85, 101644), (170, 50822), (340, 25411)]