25454540

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2017}}^1$

素因数の和:2657

約数の個数: 24

約数和(自身を含む): 53565792

約数和(自身を除く): 28111252

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2017, 2524, 3155, 4034, 6310, 8068, 10085, 12620, 20170, 40340, 1272727, 2545454, 5090908, 6363635, 12727270, 25454540]

約数ペア:

[(1, 25454540), (2, 12727270), (4, 6363635), (5, 5090908), (10, 2545454), (20, 1272727), (631, 40340), (1262, 20170), (2017, 12620), (2524, 10085), (3155, 8068), (4034, 6310)]