40449460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{439}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 90478080

約数和(自身を除く): 50028620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 271, 340, 439, 542, 878, 1084, 1355, 1756, 2195, 2710, 4390, 4607, 5420, 7463, 8780, 9214, 14926, 18428, 23035, 29852, 37315, 46070, 74630, 92140, 118969, 149260, 237938, 475876, 594845, 1189690, 2022473, 2379380, 4044946, 8089892, 10112365, 20224730, 40449460]

約数ペア:

[(1, 40449460), (2, 20224730), (4, 10112365), (5, 8089892), (10, 4044946), (17, 2379380), (20, 2022473), (34, 1189690), (68, 594845), (85, 475876), (170, 237938), (271, 149260), (340, 118969), (439, 92140), (542, 74630), (878, 46070), (1084, 37315), (1355, 29852), (1756, 23035), (2195, 18428), (2710, 14926), (4390, 9214), (4607, 8780), (5420, 7463)]