25594480

素因数分解:

$2^4\times 5^1\times {\mathrm{319931}}^1$

素因数の和:319944

約数の個数: 20

約数和(自身を含む): 59507352

約数和(自身を除く): 33912872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 319931, 639862, 1279724, 1599655, 2559448, 3199310, 5118896, 6398620, 12797240, 25594480]

約数ペア:

[(1, 25594480), (2, 12797240), (4, 6398620), (5, 5118896), (8, 3199310), (10, 2559448), (16, 1599655), (20, 1279724), (40, 639862), (80, 319931)]