28008820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200063}}^1$

素因数の和:200079

約数の個数: 24

約数和(自身を含む): 67221504

約数和(自身を除く): 39212684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200063, 400126, 800252, 1000315, 1400441, 2000630, 2800882, 4001260, 5601764, 7002205, 14004410, 28008820]

約数ペア:

[(1, 28008820), (2, 14004410), (4, 7002205), (5, 5601764), (7, 4001260), (10, 2800882), (14, 2000630), (20, 1400441), (28, 1000315), (35, 800252), (70, 400126), (140, 200063)]