40420420

素因数分解:

$2^2\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{1523}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 85002624

約数和(自身を除く): 44582204

約数列:

[1, 2, 4, 5, 10, 20, 1327, 1523, 2654, 3046, 5308, 6092, 6635, 7615, 13270, 15230, 26540, 30460, 2021021, 4042042, 8084084, 10105105, 20210210, 40420420]

約数ペア:

[(1, 40420420), (2, 20210210), (4, 10105105), (5, 8084084), (10, 4042042), (20, 2021021), (1327, 30460), (1523, 26540), (2654, 15230), (3046, 13270), (5308, 7615), (6092, 6635)]