31927760

素因数分解:

$2^4\times 5^1\times {\mathrm{399097}}^1$

素因数の和:399110

約数の個数: 20

約数和(自身を含む): 74232228

約数和(自身を除く): 42304468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 399097, 798194, 1596388, 1995485, 3192776, 3990970, 6385552, 7981940, 15963880, 31927760]

約数ペア:

[(1, 31927760), (2, 15963880), (4, 7981940), (5, 6385552), (8, 3990970), (10, 3192776), (16, 1995485), (20, 1596388), (40, 798194), (80, 399097)]