4540000

素因数分解:

$2^5\times 5^4\times {\mathrm{227}}^1$

素因数の和:257

約数の個数: 60

約数和(自身を含む): 11218284

約数和(自身を除く): 6678284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 227, 250, 400, 454, 500, 625, 800, 908, 1000, 1135, 1250, 1816, 2000, 2270, 2500, 3632, 4000, 4540, 5000, 5675, 7264, 9080, 10000, 11350, 18160, 20000, 22700, 28375, 36320, 45400, 56750, 90800, 113500, 141875, 181600, 227000, 283750, 454000, 567500, 908000, 1135000, 2270000, 4540000]

約数ペア:

[(1, 4540000), (2, 2270000), (4, 1135000), (5, 908000), (8, 567500), (10, 454000), (16, 283750), (20, 227000), (25, 181600), (32, 141875), (40, 113500), (50, 90800), (80, 56750), (100, 45400), (125, 36320), (160, 28375), (200, 22700), (227, 20000), (250, 18160), (400, 11350), (454, 10000), (500, 9080), (625, 7264), (800, 5675), (908, 5000), (1000, 4540), (1135, 4000), (1250, 3632), (1816, 2500), (2000, 2270)]