22161340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 48410208

約数和(自身を除く): 26248868

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 353, 365, 430, 706, 730, 860, 1412, 1460, 1765, 3139, 3530, 6278, 7060, 12556, 15179, 15695, 25769, 30358, 31390, 51538, 60716, 62780, 75895, 103076, 128845, 151790, 257690, 303580, 515380, 1108067, 2216134, 4432268, 5540335, 11080670, 22161340]

約数ペア:

[(1, 22161340), (2, 11080670), (4, 5540335), (5, 4432268), (10, 2216134), (20, 1108067), (43, 515380), (73, 303580), (86, 257690), (146, 151790), (172, 128845), (215, 103076), (292, 75895), (353, 62780), (365, 60716), (430, 51538), (706, 31390), (730, 30358), (860, 25769), (1412, 15695), (1460, 15179), (1765, 12556), (3139, 7060), (3530, 6278)]