51707080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16363}}^1$

素因数の和:16453

約数の個数: 32

約数和(自身を含む): 117820800

約数和(自身を除く): 66113720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 16363, 32726, 65452, 81815, 130904, 163630, 327260, 654520, 1292677, 2585354, 5170708, 6463385, 10341416, 12926770, 25853540, 51707080]

約数ペア:

[(1, 51707080), (2, 25853540), (4, 12926770), (5, 10341416), (8, 6463385), (10, 5170708), (20, 2585354), (40, 1292677), (79, 654520), (158, 327260), (316, 163630), (395, 130904), (632, 81815), (790, 65452), (1580, 32726), (3160, 16363)]