8402780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7121}}^1$

素因数の和:7189

約数の個数: 24

約数和(自身を含む): 17947440

約数和(自身を除く): 9544660

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 7121, 14242, 28484, 35605, 71210, 142420, 420139, 840278, 1680556, 2100695, 4201390, 8402780]

約数ペア:

[(1, 8402780), (2, 4201390), (4, 2100695), (5, 1680556), (10, 840278), (20, 420139), (59, 142420), (118, 71210), (236, 35605), (295, 28484), (590, 14242), (1180, 7121)]