25881872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{37619}}^1$

素因数の和:37670

約数の個数: 20

約数和(自身を含む): 51313680

約数和(自身を除く): 25431808

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 37619, 75238, 150476, 300952, 601904, 1617617, 3235234, 6470468, 12940936, 25881872]

約数ペア:

[(1, 25881872), (2, 12940936), (4, 6470468), (8, 3235234), (16, 1617617), (43, 601904), (86, 300952), (172, 150476), (344, 75238), (688, 37619)]