51940400

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1459}}^1$

素因数の和:1566

約数の個数: 60

約数和(自身を含む): 126275400

約数和(自身を除く): 74335000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 178, 200, 356, 400, 445, 712, 890, 1424, 1459, 1780, 2225, 2918, 3560, 4450, 5836, 7120, 7295, 8900, 11672, 14590, 17800, 23344, 29180, 35600, 36475, 58360, 72950, 116720, 129851, 145900, 259702, 291800, 519404, 583600, 649255, 1038808, 1298510, 2077616, 2597020, 3246275, 5194040, 6492550, 10388080, 12985100, 25970200, 51940400]

約数ペア:

[(1, 51940400), (2, 25970200), (4, 12985100), (5, 10388080), (8, 6492550), (10, 5194040), (16, 3246275), (20, 2597020), (25, 2077616), (40, 1298510), (50, 1038808), (80, 649255), (89, 583600), (100, 519404), (178, 291800), (200, 259702), (356, 145900), (400, 129851), (445, 116720), (712, 72950), (890, 58360), (1424, 36475), (1459, 35600), (1780, 29180), (2225, 23344), (2918, 17800), (3560, 14590), (4450, 11672), (5836, 8900), (7120, 7295)]