1520020720

素因数分解:

$2^4\times 5^1\times {\mathrm{19000259}}^1$

素因数の和:19000272

約数の個数: 20

約数和(自身を含む): 3534048360

約数和(自身を除く): 2014027640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19000259, 38000518, 76001036, 95001295, 152002072, 190002590, 304004144, 380005180, 760010360, 1520020720]

約数ペア:

[(1, 1520020720), (2, 760010360), (4, 380005180), (5, 304004144), (8, 190002590), (10, 152002072), (16, 95001295), (20, 76001036), (40, 38000518), (80, 19000259)]