9821560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{5011}}^1$

素因数の和:5036

約数の個数: 48

約数和(自身を含む): 25711560

約数和(自身を除く): 15890000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 5011, 10022, 20044, 25055, 35077, 40088, 50110, 70154, 100220, 140308, 175385, 200440, 245539, 280616, 350770, 491078, 701540, 982156, 1227695, 1403080, 1964312, 2455390, 4910780, 9821560]

約数ペア:

[(1, 9821560), (2, 4910780), (4, 2455390), (5, 1964312), (7, 1403080), (8, 1227695), (10, 982156), (14, 701540), (20, 491078), (28, 350770), (35, 280616), (40, 245539), (49, 200440), (56, 175385), (70, 140308), (98, 100220), (140, 70154), (196, 50110), (245, 40088), (280, 35077), (392, 25055), (490, 20044), (980, 10022), (1960, 5011)]