51457720

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2971}}^1$

素因数の和:3415

約数の個数: 32

約数和(自身を含む): 116086320

約数和(自身を除く): 64628600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 2971, 3464, 4330, 5942, 8660, 11884, 14855, 17320, 23768, 29710, 59420, 118840, 1286443, 2572886, 5145772, 6432215, 10291544, 12864430, 25728860, 51457720]

約数ペア:

[(1, 51457720), (2, 25728860), (4, 12864430), (5, 10291544), (8, 6432215), (10, 5145772), (20, 2572886), (40, 1286443), (433, 118840), (866, 59420), (1732, 29710), (2165, 23768), (2971, 17320), (3464, 14855), (4330, 11884), (5942, 8660)]