7864041340

素因数分解:

$2^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{312313}}^1$

素因数の和:313581

約数の個数: 24

約数和(自身を含む): 16527656880

約数和(自身を除く): 8663615540

約数列:

[1, 2, 4, 5, 10, 20, 1259, 2518, 5036, 6295, 12590, 25180, 312313, 624626, 1249252, 1561565, 3123130, 6246260, 393202067, 786404134, 1572808268, 1966010335, 3932020670, 7864041340]

約数ペア:

[(1, 7864041340), (2, 3932020670), (4, 1966010335), (5, 1572808268), (10, 786404134), (20, 393202067), (1259, 6246260), (2518, 3123130), (5036, 1561565), (6295, 1249252), (12590, 624626), (25180, 312313)]