77972140

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{2423}}^1$

素因数の和:4041

約数の個数: 24

約数和(自身を含む): 163910880

約数和(自身を除く): 85938740

約数列:

[1, 2, 4, 5, 10, 20, 1609, 2423, 3218, 4846, 6436, 8045, 9692, 12115, 16090, 24230, 32180, 48460, 3898607, 7797214, 15594428, 19493035, 38986070, 77972140]

約数ペア:

[(1, 77972140), (2, 38986070), (4, 19493035), (5, 15594428), (10, 7797214), (20, 3898607), (1609, 48460), (2423, 32180), (3218, 24230), (4846, 16090), (6436, 12115), (8045, 9692)]