1021374400

素因数分解:

$2^6\times 5^2\times {\mathrm{638359}}^1$

素因数の和:638381

約数の個数: 42

約数和(自身を含む): 2513223320

約数和(自身を除く): 1491848920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 638359, 1276718, 2553436, 3191795, 5106872, 6383590, 10213744, 12767180, 15958975, 20427488, 25534360, 31917950, 40854976, 51068720, 63835900, 102137440, 127671800, 204274880, 255343600, 510687200, 1021374400]

約数ペア:

[(1, 1021374400), (2, 510687200), (4, 255343600), (5, 204274880), (8, 127671800), (10, 102137440), (16, 63835900), (20, 51068720), (25, 40854976), (32, 31917950), (40, 25534360), (50, 20427488), (64, 15958975), (80, 12767180), (100, 10213744), (160, 6383590), (200, 5106872), (320, 3191795), (400, 2553436), (800, 1276718), (1600, 638359)]