87140420

素因数分解:

$2^2\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{3049}}^1$

素因数の和:4487

約数の個数: 24

約数和(自身を含む): 183183000

約数和(自身を除く): 96042580

約数列:

[1, 2, 4, 5, 10, 20, 1429, 2858, 3049, 5716, 6098, 7145, 12196, 14290, 15245, 28580, 30490, 60980, 4357021, 8714042, 17428084, 21785105, 43570210, 87140420]

約数ペア:

[(1, 87140420), (2, 43570210), (4, 21785105), (5, 17428084), (10, 8714042), (20, 4357021), (1429, 60980), (2858, 30490), (3049, 28580), (5716, 15245), (6098, 14290), (7145, 12196)]