90374540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{85259}}^1$

素因数の和:85321

約数の個数: 24

約数和(自身を含む): 193369680

約数和(自身を除く): 102995140

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 85259, 170518, 341036, 426295, 852590, 1705180, 4518727, 9037454, 18074908, 22593635, 45187270, 90374540]

約数ペア:

[(1, 90374540), (2, 45187270), (4, 22593635), (5, 18074908), (10, 9037454), (20, 4518727), (53, 1705180), (106, 852590), (212, 426295), (265, 341036), (530, 170518), (1060, 85259)]