29498680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17987}}^1$

素因数の和:18039

約数の個数: 32

約数和(自身を含む): 67994640

約数和(自身を除く): 38495960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 17987, 35974, 71948, 89935, 143896, 179870, 359740, 719480, 737467, 1474934, 2949868, 3687335, 5899736, 7374670, 14749340, 29498680]

約数ペア:

[(1, 29498680), (2, 14749340), (4, 7374670), (5, 5899736), (8, 3687335), (10, 2949868), (20, 1474934), (40, 737467), (41, 719480), (82, 359740), (164, 179870), (205, 143896), (328, 89935), (410, 71948), (820, 35974), (1640, 17987)]