68464420

素因数分解:

$2^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{2719}}^1$

素因数の和:3987

約数の個数: 24

約数和(自身を含む): 143942400

約数和(自身を除く): 75477980

約数列:

[1, 2, 4, 5, 10, 20, 1259, 2518, 2719, 5036, 5438, 6295, 10876, 12590, 13595, 25180, 27190, 54380, 3423221, 6846442, 13692884, 17116105, 34232210, 68464420]

約数ペア:

[(1, 68464420), (2, 34232210), (4, 17116105), (5, 13692884), (10, 6846442), (20, 3423221), (1259, 54380), (2518, 27190), (2719, 25180), (5036, 13595), (5438, 12590), (6295, 10876)]