68784860

素因数分解:

$2^2\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{3079}}^1$

素因数の和:4205

約数の個数: 24

約数和(自身を含む): 144624480

約数和(自身を除く): 75839620

約数列:

[1, 2, 4, 5, 10, 20, 1117, 2234, 3079, 4468, 5585, 6158, 11170, 12316, 15395, 22340, 30790, 61580, 3439243, 6878486, 13756972, 17196215, 34392430, 68784860]

約数ペア:

[(1, 68784860), (2, 34392430), (4, 17196215), (5, 13756972), (10, 6878486), (20, 3439243), (1117, 61580), (2234, 30790), (3079, 22340), (4468, 15395), (5585, 12316), (6158, 11170)]