31369640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{14797}}^1$

素因数の和:14861

約数の個数: 32

約数和(自身を含む): 71918280

約数和(自身を除く): 40548640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 14797, 29594, 59188, 73985, 118376, 147970, 295940, 591880, 784241, 1568482, 3136964, 3921205, 6273928, 7842410, 15684820, 31369640]

約数ペア:

[(1, 31369640), (2, 15684820), (4, 7842410), (5, 6273928), (8, 3921205), (10, 3136964), (20, 1568482), (40, 784241), (53, 591880), (106, 295940), (212, 147970), (265, 118376), (424, 73985), (530, 59188), (1060, 29594), (2120, 14797)]