25248890

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{3121}}^1$

素因数の和:3937

約数の個数: 16

約数和(自身を含む): 45518760

約数和(自身を除く): 20269870

約数列:

[1, 2, 5, 10, 809, 1618, 3121, 4045, 6242, 8090, 15605, 31210, 2524889, 5049778, 12624445, 25248890]

約数ペア:

[(1, 25248890), (2, 12624445), (5, 5049778), (10, 2524889), (809, 31210), (1618, 15605), (3121, 8090), (4045, 6242)]