25853980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12799}}^1$

素因数の和:12909

約数の個数: 24

約数和(自身を含む): 54835200

約数和(自身を除く): 28981220

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 12799, 25598, 51196, 63995, 127990, 255980, 1292699, 2585398, 5170796, 6463495, 12926990, 25853980]

約数ペア:

[(1, 25853980), (2, 12926990), (4, 6463495), (5, 5170796), (10, 2585398), (20, 1292699), (101, 255980), (202, 127990), (404, 63995), (505, 51196), (1010, 25598), (2020, 12799)]