90660520

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{3067}}^1$

素因数の和:3817

約数の個数: 32

約数和(自身を含む): 204328800

約数和(自身を除く): 113668280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2956, 3067, 3695, 5912, 6134, 7390, 12268, 14780, 15335, 24536, 29560, 30670, 61340, 122680, 2266513, 4533026, 9066052, 11332565, 18132104, 22665130, 45330260, 90660520]

約数ペア:

[(1, 90660520), (2, 45330260), (4, 22665130), (5, 18132104), (8, 11332565), (10, 9066052), (20, 4533026), (40, 2266513), (739, 122680), (1478, 61340), (2956, 30670), (3067, 29560), (3695, 24536), (5912, 15335), (6134, 14780), (7390, 12268)]