31088240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22859}}^1$

素因数の和:22889

約数の個数: 40

約数和(自身を含む): 76535280

約数和(自身を除く): 45447040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22859, 45718, 91436, 114295, 182872, 228590, 365744, 388603, 457180, 777206, 914360, 1554412, 1828720, 1943015, 3108824, 3886030, 6217648, 7772060, 15544120, 31088240]

約数ペア:

[(1, 31088240), (2, 15544120), (4, 7772060), (5, 6217648), (8, 3886030), (10, 3108824), (16, 1943015), (17, 1828720), (20, 1554412), (34, 914360), (40, 777206), (68, 457180), (80, 388603), (85, 365744), (136, 228590), (170, 182872), (272, 114295), (340, 91436), (680, 45718), (1360, 22859)]