65156660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{39251}}^1$

素因数の和:39343

約数の個数: 24

約数和(自身を含む): 138481056

約数和(自身を除く): 73324396

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 39251, 78502, 157004, 196255, 392510, 785020, 3257833, 6515666, 13031332, 16289165, 32578330, 65156660]

約数ペア:

[(1, 65156660), (2, 32578330), (4, 16289165), (5, 13031332), (10, 6515666), (20, 3257833), (83, 785020), (166, 392510), (332, 196255), (415, 157004), (830, 78502), (1660, 39251)]