64039640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{228713}}^1$

素因数の和:228731

約数の個数: 32

約数和(自身を含む): 164674080

約数和(自身を除く): 100634440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 228713, 457426, 914852, 1143565, 1600991, 1829704, 2287130, 3201982, 4574260, 6403964, 8004955, 9148520, 12807928, 16009910, 32019820, 64039640]

約数ペア:

[(1, 64039640), (2, 32019820), (4, 16009910), (5, 12807928), (7, 9148520), (8, 8004955), (10, 6403964), (14, 4574260), (20, 3201982), (28, 2287130), (35, 1829704), (40, 1600991), (56, 1143565), (70, 914852), (140, 457426), (280, 228713)]