1320220525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{39439}}^1$

素因数の和:39565

約数の個数: 24

約数和(自身を含む): 1780163840

約数和(自身を除く): 459943315

約数列:

[1, 5, 13, 25, 65, 103, 325, 515, 1339, 2575, 6695, 33475, 39439, 197195, 512707, 985975, 2563535, 4062217, 12817675, 20311085, 52808821, 101555425, 264044105, 1320220525]

約数ペア:

[(1, 1320220525), (5, 264044105), (13, 101555425), (25, 52808821), (65, 20311085), (103, 12817675), (325, 4062217), (515, 2563535), (1339, 985975), (2575, 512707), (6695, 197195), (33475, 39439)]