64639220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{54779}}^1$

素因数の和:54847

約数の個数: 24

約数和(自身を含む): 138045600

約数和(自身を除く): 73406380

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 54779, 109558, 219116, 273895, 547790, 1095580, 3231961, 6463922, 12927844, 16159805, 32319610, 64639220]

約数ペア:

[(1, 64639220), (2, 32319610), (4, 16159805), (5, 12927844), (10, 6463922), (20, 3231961), (59, 1095580), (118, 547790), (236, 273895), (295, 219116), (590, 109558), (1180, 54779)]