27766280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 65294640

約数和(自身を除く): 37528360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 73, 74, 146, 148, 185, 257, 292, 296, 365, 370, 514, 584, 730, 740, 1028, 1285, 1460, 1480, 2056, 2570, 2701, 2920, 5140, 5402, 9509, 10280, 10804, 13505, 18761, 19018, 21608, 27010, 37522, 38036, 47545, 54020, 75044, 76072, 93805, 95090, 108040, 150088, 187610, 190180, 375220, 380360, 694157, 750440, 1388314, 2776628, 3470785, 5553256, 6941570, 13883140, 27766280]

約数ペア:

[(1, 27766280), (2, 13883140), (4, 6941570), (5, 5553256), (8, 3470785), (10, 2776628), (20, 1388314), (37, 750440), (40, 694157), (73, 380360), (74, 375220), (146, 190180), (148, 187610), (185, 150088), (257, 108040), (292, 95090), (296, 93805), (365, 76072), (370, 75044), (514, 54020), (584, 47545), (730, 38036), (740, 37522), (1028, 27010), (1285, 21608), (1460, 19018), (1480, 18761), (2056, 13505), (2570, 10804), (2701, 10280), (2920, 9509), (5140, 5402)]