40448168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 85484160

約数和(自身を除く): 45035992

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 67, 68, 92, 134, 136, 184, 193, 268, 386, 391, 536, 772, 782, 1139, 1541, 1544, 1564, 2278, 3082, 3128, 3281, 4439, 4556, 6164, 6562, 8878, 9112, 12328, 12931, 13124, 17756, 25862, 26197, 26248, 35512, 51724, 52394, 75463, 103448, 104788, 150926, 209576, 219827, 297413, 301852, 439654, 594826, 603704, 879308, 1189652, 1758616, 2379304, 5056021, 10112042, 20224084, 40448168]

約数ペア:

[(1, 40448168), (2, 20224084), (4, 10112042), (8, 5056021), (17, 2379304), (23, 1758616), (34, 1189652), (46, 879308), (67, 603704), (68, 594826), (92, 439654), (134, 301852), (136, 297413), (184, 219827), (193, 209576), (268, 150926), (386, 104788), (391, 103448), (536, 75463), (772, 52394), (782, 51724), (1139, 35512), (1541, 26248), (1544, 26197), (1564, 25862), (2278, 17756), (3082, 13124), (3128, 12931), (3281, 12328), (4439, 9112), (4556, 8878), (6164, 6562)]