38908340

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4643}}^1$

素因数の和:5071

約数の個数: 24

約数和(自身を含む): 81920160

約数和(自身を除く): 43011820

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 4643, 8380, 9286, 18572, 23215, 46430, 92860, 1945417, 3890834, 7781668, 9727085, 19454170, 38908340]

約数ペア:

[(1, 38908340), (2, 19454170), (4, 9727085), (5, 7781668), (10, 3890834), (20, 1945417), (419, 92860), (838, 46430), (1676, 23215), (2095, 18572), (4190, 9286), (4643, 8380)]