1640729072

素因数分解:

$2^4\times {\mathrm{3617}}^1\times {\mathrm{28351}}^1$

素因数の和:31976

約数の個数: 20

約数和(自身を含む): 3179903616

約数和(自身を除く): 1539174544

約数列:

[1, 2, 4, 8, 16, 3617, 7234, 14468, 28351, 28936, 56702, 57872, 113404, 226808, 453616, 102545567, 205091134, 410182268, 820364536, 1640729072]

約数ペア:

[(1, 1640729072), (2, 820364536), (4, 410182268), (8, 205091134), (16, 102545567), (3617, 453616), (7234, 226808), (14468, 113404), (28351, 57872), (28936, 56702)]