31440272

素因数分解:

$2^4\times {\mathrm{983}}^1\times {\mathrm{1999}}^1$

素因数の和:2990

約数の個数: 20

約数和(自身を含む): 61008000

約数和(自身を除く): 29567728

約数列:

[1, 2, 4, 8, 16, 983, 1966, 1999, 3932, 3998, 7864, 7996, 15728, 15992, 31984, 1965017, 3930034, 7860068, 15720136, 31440272]

約数ペア:

[(1, 31440272), (2, 15720136), (4, 7860068), (8, 3930034), (16, 1965017), (983, 31984), (1966, 15992), (1999, 15728), (3932, 7996), (3998, 7864)]