520084000

素因数分解:

$2^5\times 5^3\times {\mathrm{130021}}^1$

素因数の和:130046

約数の個数: 48

約数和(自身を含む): 1277856216

約数和(自身を除く): 757772216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 130021, 260042, 520084, 650105, 1040168, 1300210, 2080336, 2600420, 3250525, 4160672, 5200840, 6501050, 10401680, 13002100, 16252625, 20803360, 26004200, 32505250, 52008400, 65010500, 104016800, 130021000, 260042000, 520084000]

約数ペア:

[(1, 520084000), (2, 260042000), (4, 130021000), (5, 104016800), (8, 65010500), (10, 52008400), (16, 32505250), (20, 26004200), (25, 20803360), (32, 16252625), (40, 13002100), (50, 10401680), (80, 6501050), (100, 5200840), (125, 4160672), (160, 3250525), (200, 2600420), (250, 2080336), (400, 1300210), (500, 1040168), (800, 650105), (1000, 520084), (2000, 260042), (4000, 130021)]