22591340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 49193760

約数和(自身を除く): 26602420

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 241, 430, 436, 482, 545, 860, 964, 1090, 1205, 2180, 2410, 4687, 4820, 9374, 10363, 18748, 20726, 23435, 26269, 41452, 46870, 51815, 52538, 93740, 103630, 105076, 131345, 207260, 262690, 525380, 1129567, 2259134, 4518268, 5647835, 11295670, 22591340]

約数ペア:

[(1, 22591340), (2, 11295670), (4, 5647835), (5, 4518268), (10, 2259134), (20, 1129567), (43, 525380), (86, 262690), (109, 207260), (172, 131345), (215, 105076), (218, 103630), (241, 93740), (430, 52538), (436, 51815), (482, 46870), (545, 41452), (860, 26269), (964, 23435), (1090, 20726), (1205, 18748), (2180, 10363), (2410, 9374), (4687, 4820)]