64831820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{111779}}^1$

素因数の和:111817

約数の個数: 24

約数和(自身を含む): 140842800

約数和(自身を除く): 76010980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 111779, 223558, 447116, 558895, 1117790, 2235580, 3241591, 6483182, 12966364, 16207955, 32415910, 64831820]

約数ペア:

[(1, 64831820), (2, 32415910), (4, 16207955), (5, 12966364), (10, 6483182), (20, 3241591), (29, 2235580), (58, 1117790), (116, 558895), (145, 447116), (290, 223558), (580, 111779)]