1965382180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1610969}}^1$

素因数の和:1611039

約数の個数: 24

約数和(自身を含む): 4194965880

約数和(自身を除く): 2229583700

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1610969, 3221938, 6443876, 8054845, 16109690, 32219380, 98269109, 196538218, 393076436, 491345545, 982691090, 1965382180]

約数ペア:

[(1, 1965382180), (2, 982691090), (4, 491345545), (5, 393076436), (10, 196538218), (20, 98269109), (61, 32219380), (122, 16109690), (244, 8054845), (305, 6443876), (610, 3221938), (1220, 1610969)]