25015780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{65831}}^1$

素因数の和:65859

約数の個数: 24

約数和(自身を含む): 55298880

約数和(自身を除く): 30283100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 65831, 131662, 263324, 329155, 658310, 1250789, 1316620, 2501578, 5003156, 6253945, 12507890, 25015780]

約数ペア:

[(1, 25015780), (2, 12507890), (4, 6253945), (5, 5003156), (10, 2501578), (19, 1316620), (20, 1250789), (38, 658310), (76, 329155), (95, 263324), (190, 131662), (380, 65831)]