1064720

素因数分解:

$2^4\times 5^1\times {\mathrm{13309}}^1$

素因数の和:13322

約数の個数: 20

約数和(自身を含む): 2475660

約数和(自身を除く): 1410940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13309, 26618, 53236, 66545, 106472, 133090, 212944, 266180, 532360, 1064720]

約数ペア:

[(1, 1064720), (2, 532360), (4, 266180), (5, 212944), (8, 133090), (10, 106472), (16, 66545), (20, 53236), (40, 26618), (80, 13309)]