16242440

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1699}}^1$

素因数の和:1949

約数の個数: 32

約数和(自身を含む): 36720000

約数和(自身を除く): 20477560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1699, 1912, 2390, 3398, 4780, 6796, 8495, 9560, 13592, 16990, 33980, 67960, 406061, 812122, 1624244, 2030305, 3248488, 4060610, 8121220, 16242440]

約数ペア:

[(1, 16242440), (2, 8121220), (4, 4060610), (5, 3248488), (8, 2030305), (10, 1624244), (20, 812122), (40, 406061), (239, 67960), (478, 33980), (956, 16990), (1195, 13592), (1699, 9560), (1912, 8495), (2390, 6796), (3398, 4780)]