320348540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{155509}}^1$

素因数の和:155621

約数の個数: 24

約数和(自身を含む): 679267680

約数和(自身を除く): 358919140

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 155509, 311018, 622036, 777545, 1555090, 3110180, 16017427, 32034854, 64069708, 80087135, 160174270, 320348540]

約数ペア:

[(1, 320348540), (2, 160174270), (4, 80087135), (5, 64069708), (10, 32034854), (20, 16017427), (103, 3110180), (206, 1555090), (412, 777545), (515, 622036), (1030, 311018), (2060, 155509)]