31121120

素因数分解:

$2^5\times 5^1\times {\mathrm{194507}}^1$

素因数の和:194522

約数の個数: 24

約数和(自身を含む): 73524024

約数和(自身を除く): 42402904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 194507, 389014, 778028, 972535, 1556056, 1945070, 3112112, 3890140, 6224224, 7780280, 15560560, 31121120]

約数ペア:

[(1, 31121120), (2, 15560560), (4, 7780280), (5, 6224224), (8, 3890140), (10, 3112112), (16, 1945070), (20, 1556056), (32, 972535), (40, 778028), (80, 389014), (160, 194507)]