1330800440

素因数分解:

$2^3\times 5^1\times {\mathrm{1847}}^1\times {\mathrm{18013}}^1$

素因数の和:19871

約数の個数: 32

約数和(自身を含む): 2996088480

約数和(自身を除く): 1665288040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1847, 3694, 7388, 9235, 14776, 18013, 18470, 36026, 36940, 72052, 73880, 90065, 144104, 180130, 360260, 720520, 33270011, 66540022, 133080044, 166350055, 266160088, 332700110, 665400220, 1330800440]

約数ペア:

[(1, 1330800440), (2, 665400220), (4, 332700110), (5, 266160088), (8, 166350055), (10, 133080044), (20, 66540022), (40, 33270011), (1847, 720520), (3694, 360260), (7388, 180130), (9235, 144104), (14776, 90065), (18013, 73880), (18470, 72052), (36026, 36940)]