17388920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 41912640

約数和(自身を除く): 24523720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 461, 820, 920, 922, 943, 1640, 1844, 1886, 2305, 3688, 3772, 4610, 4715, 7544, 9220, 9430, 10603, 18440, 18860, 18901, 21206, 37720, 37802, 42412, 53015, 75604, 84824, 94505, 106030, 151208, 189010, 212060, 378020, 424120, 434723, 756040, 869446, 1738892, 2173615, 3477784, 4347230, 8694460, 17388920]

約数ペア:

[(1, 17388920), (2, 8694460), (4, 4347230), (5, 3477784), (8, 2173615), (10, 1738892), (20, 869446), (23, 756040), (40, 434723), (41, 424120), (46, 378020), (82, 212060), (92, 189010), (115, 151208), (164, 106030), (184, 94505), (205, 84824), (230, 75604), (328, 53015), (410, 42412), (460, 37802), (461, 37720), (820, 21206), (920, 18901), (922, 18860), (943, 18440), (1640, 10603), (1844, 9430), (1886, 9220), (2305, 7544), (3688, 4715), (3772, 4610)]