25104880

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2879}}^1$

素因数の和:3001

約数の個数: 40

約数和(自身を含む): 58924800

約数和(自身を除く): 33819920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 2879, 4360, 5758, 8720, 11516, 14395, 23032, 28790, 46064, 57580, 115160, 230320, 313811, 627622, 1255244, 1569055, 2510488, 3138110, 5020976, 6276220, 12552440, 25104880]

約数ペア:

[(1, 25104880), (2, 12552440), (4, 6276220), (5, 5020976), (8, 3138110), (10, 2510488), (16, 1569055), (20, 1255244), (40, 627622), (80, 313811), (109, 230320), (218, 115160), (436, 57580), (545, 46064), (872, 28790), (1090, 23032), (1744, 14395), (2180, 11516), (2879, 8720), (4360, 5758)]