51375520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{6553}}^1$

素因数の和:6582

約数の個数: 72

約数和(自身を含む): 141212484

約数和(自身を除く): 89836964

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 6553, 7840, 13106, 26212, 32765, 45871, 52424, 65530, 91742, 104848, 131060, 183484, 209696, 229355, 262120, 321097, 366968, 458710, 524240, 642194, 733936, 917420, 1048480, 1284388, 1467872, 1605485, 1834840, 2568776, 3210970, 3669680, 5137552, 6421940, 7339360, 10275104, 12843880, 25687760, 51375520]

約数ペア:

[(1, 51375520), (2, 25687760), (4, 12843880), (5, 10275104), (7, 7339360), (8, 6421940), (10, 5137552), (14, 3669680), (16, 3210970), (20, 2568776), (28, 1834840), (32, 1605485), (35, 1467872), (40, 1284388), (49, 1048480), (56, 917420), (70, 733936), (80, 642194), (98, 524240), (112, 458710), (140, 366968), (160, 321097), (196, 262120), (224, 229355), (245, 209696), (280, 183484), (392, 131060), (490, 104848), (560, 91742), (784, 65530), (980, 52424), (1120, 45871), (1568, 32765), (1960, 26212), (3920, 13106), (6553, 7840)]