12618700

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:762

約数の個数: 36

約数和(自身を含む): 27545112

約数和(自身を除く): 14926412

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 491, 514, 982, 1028, 1285, 1964, 2455, 2570, 4910, 5140, 6425, 9820, 12275, 12850, 24550, 25700, 49100, 126187, 252374, 504748, 630935, 1261870, 2523740, 3154675, 6309350, 12618700]

約数ペア:

[(1, 12618700), (2, 6309350), (4, 3154675), (5, 2523740), (10, 1261870), (20, 630935), (25, 504748), (50, 252374), (100, 126187), (257, 49100), (491, 25700), (514, 24550), (982, 12850), (1028, 12275), (1285, 9820), (1964, 6425), (2455, 5140), (2570, 4910)]