40081216

素因数分解:

$2^6\times 7^2\times {\mathrm{12781}}^1$

素因数の和:12807

約数の個数: 42

約数和(自身を含む): 92528898

約数和(自身を除く): 52447682

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 12781, 25562, 51124, 89467, 102248, 178934, 204496, 357868, 408992, 626269, 715736, 817984, 1252538, 1431472, 2505076, 2862944, 5010152, 5725888, 10020304, 20040608, 40081216]

約数ペア:

[(1, 40081216), (2, 20040608), (4, 10020304), (7, 5725888), (8, 5010152), (14, 2862944), (16, 2505076), (28, 1431472), (32, 1252538), (49, 817984), (56, 715736), (64, 626269), (98, 408992), (112, 357868), (196, 204496), (224, 178934), (392, 102248), (448, 89467), (784, 51124), (1568, 25562), (3136, 12781)]