80403904

素因数分解:

$2^6\times 7^2\times {\mathrm{25639}}^1$

素因数の和:25665

約数の個数: 42

約数和(自身を含む): 185607960

約数和(自身を除く): 105204056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 25639, 51278, 102556, 179473, 205112, 358946, 410224, 717892, 820448, 1256311, 1435784, 1640896, 2512622, 2871568, 5025244, 5743136, 10050488, 11486272, 20100976, 40201952, 80403904]

約数ペア:

[(1, 80403904), (2, 40201952), (4, 20100976), (7, 11486272), (8, 10050488), (14, 5743136), (16, 5025244), (28, 2871568), (32, 2512622), (49, 1640896), (56, 1435784), (64, 1256311), (98, 820448), (112, 717892), (196, 410224), (224, 358946), (392, 205112), (448, 179473), (784, 102556), (1568, 51278), (3136, 25639)]