64716820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{462263}}^1$

素因数の和:462279

約数の個数: 24

約数和(自身を含む): 155320704

約数和(自身を除く): 90603884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 462263, 924526, 1849052, 2311315, 3235841, 4622630, 6471682, 9245260, 12943364, 16179205, 32358410, 64716820]

約数ペア:

[(1, 64716820), (2, 32358410), (4, 16179205), (5, 12943364), (7, 9245260), (10, 6471682), (14, 4622630), (20, 3235841), (28, 2311315), (35, 1849052), (70, 924526), (140, 462263)]