54486800

素因数分解:

$2^4\times 5^2\times {\mathrm{136217}}^1$

素因数の和:136235

約数の個数: 30

約数和(自身を含む): 130905498

約数和(自身を除く): 76418698

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 136217, 272434, 544868, 681085, 1089736, 1362170, 2179472, 2724340, 3405425, 5448680, 6810850, 10897360, 13621700, 27243400, 54486800]

約数ペア:

[(1, 54486800), (2, 27243400), (4, 13621700), (5, 10897360), (8, 6810850), (10, 5448680), (16, 3405425), (20, 2724340), (25, 2179472), (40, 1362170), (50, 1089736), (80, 681085), (100, 544868), (200, 272434), (400, 136217)]