51556040

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7121}}^1$

素因数の和:7313

約数の個数: 32

約数和(自身を含む): 116658360

約数和(自身を除く): 65102320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7121, 7240, 14242, 28484, 35605, 56968, 71210, 142420, 284840, 1288901, 2577802, 5155604, 6444505, 10311208, 12889010, 25778020, 51556040]

約数ペア:

[(1, 51556040), (2, 25778020), (4, 12889010), (5, 10311208), (8, 6444505), (10, 5155604), (20, 2577802), (40, 1288901), (181, 284840), (362, 142420), (724, 71210), (905, 56968), (1448, 35605), (1810, 28484), (3620, 14242), (7121, 7240)]