66929840

素因数分解:

$2^4\times 5^1\times {\mathrm{836623}}^1$

素因数の和:836636

約数の個数: 20

約数和(自身を含む): 155612064

約数和(自身を除く): 88682224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 836623, 1673246, 3346492, 4183115, 6692984, 8366230, 13385968, 16732460, 33464920, 66929840]

約数ペア:

[(1, 66929840), (2, 33464920), (4, 16732460), (5, 13385968), (8, 8366230), (10, 6692984), (16, 4183115), (20, 3346492), (40, 1673246), (80, 836623)]