128282380

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{62273}}^1$

素因数の和:62385

約数の個数: 24

約数和(自身を含む): 272012832

約数和(自身を除く): 143730452

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 62273, 124546, 249092, 311365, 622730, 1245460, 6414119, 12828238, 25656476, 32070595, 64141190, 128282380]

約数ペア:

[(1, 128282380), (2, 64141190), (4, 32070595), (5, 25656476), (10, 12828238), (20, 6414119), (103, 1245460), (206, 622730), (412, 311365), (515, 249092), (1030, 124546), (2060, 62273)]