25921240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12227}}^1$

素因数の和:12291

約数の個数: 32

約数和(自身を含む): 59428080

約数和(自身を除く): 33506840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 12227, 24454, 48908, 61135, 97816, 122270, 244540, 489080, 648031, 1296062, 2592124, 3240155, 5184248, 6480310, 12960620, 25921240]

約数ペア:

[(1, 25921240), (2, 12960620), (4, 6480310), (5, 5184248), (8, 3240155), (10, 2592124), (20, 1296062), (40, 648031), (53, 489080), (106, 244540), (212, 122270), (265, 97816), (424, 61135), (530, 48908), (1060, 24454), (2120, 12227)]