66676540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20707}}^1$

素因数の和:20746

約数の個数: 48

約数和(自身を含む): 166989312

約数和(自身を除く): 100312772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 20707, 41414, 82828, 103535, 144949, 207070, 289898, 414140, 476261, 579796, 724745, 952522, 1449490, 1905044, 2381305, 2898980, 3333827, 4762610, 6667654, 9525220, 13335308, 16669135, 33338270, 66676540]

約数ペア:

[(1, 66676540), (2, 33338270), (4, 16669135), (5, 13335308), (7, 9525220), (10, 6667654), (14, 4762610), (20, 3333827), (23, 2898980), (28, 2381305), (35, 1905044), (46, 1449490), (70, 952522), (92, 724745), (115, 579796), (140, 476261), (161, 414140), (230, 289898), (322, 207070), (460, 144949), (644, 103535), (805, 82828), (1610, 41414), (3220, 20707)]