40848640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 115379712

約数和(自身を除く): 74531072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 97, 112, 128, 140, 160, 188, 194, 224, 235, 256, 280, 320, 329, 376, 388, 448, 470, 485, 560, 640, 658, 679, 752, 776, 896, 940, 970, 1120, 1280, 1316, 1358, 1504, 1552, 1645, 1792, 1880, 1940, 2240, 2632, 2716, 3008, 3104, 3290, 3395, 3760, 3880, 4480, 4559, 5264, 5432, 6016, 6208, 6580, 6790, 7520, 7760, 8960, 9118, 10528, 10864, 12032, 12416, 13160, 13580, 15040, 15520, 18236, 21056, 21728, 22795, 24832, 26320, 27160, 30080, 31040, 31913, 36472, 42112, 43456, 45590, 52640, 54320, 60160, 62080, 63826, 72944, 84224, 86912, 91180, 105280, 108640, 124160, 127652, 145888, 159565, 173824, 182360, 210560, 217280, 255304, 291776, 319130, 364720, 421120, 434560, 510608, 583552, 638260, 729440, 869120, 1021216, 1167104, 1276520, 1458880, 2042432, 2553040, 2917760, 4084864, 5106080, 5835520, 8169728, 10212160, 20424320, 40848640]

約数ペア:

[(1, 40848640), (2, 20424320), (4, 10212160), (5, 8169728), (7, 5835520), (8, 5106080), (10, 4084864), (14, 2917760), (16, 2553040), (20, 2042432), (28, 1458880), (32, 1276520), (35, 1167104), (40, 1021216), (47, 869120), (56, 729440), (64, 638260), (70, 583552), (80, 510608), (94, 434560), (97, 421120), (112, 364720), (128, 319130), (140, 291776), (160, 255304), (188, 217280), (194, 210560), (224, 182360), (235, 173824), (256, 159565), (280, 145888), (320, 127652), (329, 124160), (376, 108640), (388, 105280), (448, 91180), (470, 86912), (485, 84224), (560, 72944), (640, 63826), (658, 62080), (679, 60160), (752, 54320), (776, 52640), (896, 45590), (940, 43456), (970, 42112), (1120, 36472), (1280, 31913), (1316, 31040), (1358, 30080), (1504, 27160), (1552, 26320), (1645, 24832), (1792, 22795), (1880, 21728), (1940, 21056), (2240, 18236), (2632, 15520), (2716, 15040), (3008, 13580), (3104, 13160), (3290, 12416), (3395, 12032), (3760, 10864), (3880, 10528), (4480, 9118), (4559, 8960), (5264, 7760), (5432, 7520), (6016, 6790), (6208, 6580)]