40267520

素因数分解:

$2^8\times 5^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 97547856

約数和(自身を除く): 57280336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 193, 256, 320, 326, 386, 640, 652, 772, 815, 965, 1280, 1304, 1544, 1630, 1930, 2608, 3088, 3260, 3860, 5216, 6176, 6520, 7720, 10432, 12352, 13040, 15440, 20864, 24704, 26080, 30880, 31459, 41728, 49408, 52160, 61760, 62918, 104320, 123520, 125836, 157295, 208640, 247040, 251672, 314590, 503344, 629180, 1006688, 1258360, 2013376, 2516720, 4026752, 5033440, 8053504, 10066880, 20133760, 40267520]

約数ペア:

[(1, 40267520), (2, 20133760), (4, 10066880), (5, 8053504), (8, 5033440), (10, 4026752), (16, 2516720), (20, 2013376), (32, 1258360), (40, 1006688), (64, 629180), (80, 503344), (128, 314590), (160, 251672), (163, 247040), (193, 208640), (256, 157295), (320, 125836), (326, 123520), (386, 104320), (640, 62918), (652, 61760), (772, 52160), (815, 49408), (965, 41728), (1280, 31459), (1304, 30880), (1544, 26080), (1630, 24704), (1930, 20864), (2608, 15440), (3088, 13040), (3260, 12352), (3860, 10432), (5216, 7720), (6176, 6520)]