7121000

素因数分解:

$2^3\times 5^3\times {\mathrm{7121}}^1$

素因数の和:7142

約数の個数: 32

約数和(自身を含む): 16665480

約数和(自身を除く): 9544480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 7121, 14242, 28484, 35605, 56968, 71210, 142420, 178025, 284840, 356050, 712100, 890125, 1424200, 1780250, 3560500, 7121000]

約数ペア:

[(1, 7121000), (2, 3560500), (4, 1780250), (5, 1424200), (8, 890125), (10, 712100), (20, 356050), (25, 284840), (40, 178025), (50, 142420), (100, 71210), (125, 56968), (200, 35605), (250, 28484), (500, 14242), (1000, 7121)]