40385944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 84268800

約数和(自身を除く): 43882856

約数列:

[1, 2, 4, 8, 19, 37, 38, 43, 74, 76, 86, 148, 152, 167, 172, 296, 334, 344, 668, 703, 817, 1336, 1406, 1591, 1634, 2812, 3173, 3182, 3268, 5624, 6179, 6346, 6364, 6536, 7181, 12358, 12692, 12728, 14362, 24716, 25384, 28724, 30229, 49432, 57448, 60458, 117401, 120916, 136439, 234802, 241832, 265697, 272878, 469604, 531394, 545756, 939208, 1062788, 1091512, 2125576, 5048243, 10096486, 20192972, 40385944]

約数ペア:

[(1, 40385944), (2, 20192972), (4, 10096486), (8, 5048243), (19, 2125576), (37, 1091512), (38, 1062788), (43, 939208), (74, 545756), (76, 531394), (86, 469604), (148, 272878), (152, 265697), (167, 241832), (172, 234802), (296, 136439), (334, 120916), (344, 117401), (668, 60458), (703, 57448), (817, 49432), (1336, 30229), (1406, 28724), (1591, 25384), (1634, 24716), (2812, 14362), (3173, 12728), (3182, 12692), (3268, 12358), (5624, 7181), (6179, 6536), (6346, 6364)]