28027600

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1709}}^1$

素因数の和:1768

約数の個数: 60

約数和(自身を含む): 69019020

約数和(自身を除く): 40991420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 1709, 2050, 3280, 3418, 4100, 6836, 8200, 8545, 13672, 16400, 17090, 27344, 34180, 42725, 68360, 70069, 85450, 136720, 140138, 170900, 280276, 341800, 350345, 560552, 683600, 700690, 1121104, 1401380, 1751725, 2802760, 3503450, 5605520, 7006900, 14013800, 28027600]

約数ペア:

[(1, 28027600), (2, 14013800), (4, 7006900), (5, 5605520), (8, 3503450), (10, 2802760), (16, 1751725), (20, 1401380), (25, 1121104), (40, 700690), (41, 683600), (50, 560552), (80, 350345), (82, 341800), (100, 280276), (164, 170900), (200, 140138), (205, 136720), (328, 85450), (400, 70069), (410, 68360), (656, 42725), (820, 34180), (1025, 27344), (1640, 17090), (1709, 16400), (2050, 13672), (3280, 8545), (3418, 8200), (4100, 6836)]