25002040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89293}}^1$

素因数の和:89311

約数の個数: 32

約数和(自身を含む): 64291680

約数和(自身を除く): 39289640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 89293, 178586, 357172, 446465, 625051, 714344, 892930, 1250102, 1785860, 2500204, 3125255, 3571720, 5000408, 6250510, 12501020, 25002040]

約数ペア:

[(1, 25002040), (2, 12501020), (4, 6250510), (5, 5000408), (7, 3571720), (8, 3125255), (10, 2500204), (14, 1785860), (20, 1250102), (28, 892930), (35, 714344), (40, 625051), (56, 446465), (70, 357172), (140, 178586), (280, 89293)]