82800400

素因数分解:

$2^4\times 5^2\times {\mathrm{317}}^1\times {\mathrm{653}}^1$

素因数の和:988

約数の個数: 60

約数和(自身を含む): 199861092

約数和(自身を除く): 117060692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 317, 400, 634, 653, 1268, 1306, 1585, 2536, 2612, 3170, 3265, 5072, 5224, 6340, 6530, 7925, 10448, 12680, 13060, 15850, 16325, 25360, 26120, 31700, 32650, 52240, 63400, 65300, 126800, 130600, 207001, 261200, 414002, 828004, 1035005, 1656008, 2070010, 3312016, 4140020, 5175025, 8280040, 10350050, 16560080, 20700100, 41400200, 82800400]

約数ペア:

[(1, 82800400), (2, 41400200), (4, 20700100), (5, 16560080), (8, 10350050), (10, 8280040), (16, 5175025), (20, 4140020), (25, 3312016), (40, 2070010), (50, 1656008), (80, 1035005), (100, 828004), (200, 414002), (317, 261200), (400, 207001), (634, 130600), (653, 126800), (1268, 65300), (1306, 63400), (1585, 52240), (2536, 32650), (2612, 31700), (3170, 26120), (3265, 25360), (5072, 16325), (5224, 15850), (6340, 13060), (6530, 12680), (7925, 10448)]