40221328

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 96243840

約数和(自身を除く): 56022512

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 41, 56, 76, 82, 112, 133, 152, 164, 266, 287, 304, 328, 461, 532, 574, 656, 779, 922, 1064, 1148, 1558, 1844, 2128, 2296, 3116, 3227, 3688, 4592, 5453, 6232, 6454, 7376, 8759, 10906, 12464, 12908, 17518, 18901, 21812, 25816, 35036, 37802, 43624, 51632, 61313, 70072, 75604, 87248, 122626, 132307, 140144, 151208, 245252, 264614, 302416, 359119, 490504, 529228, 718238, 981008, 1058456, 1436476, 2116912, 2513833, 2872952, 5027666, 5745904, 10055332, 20110664, 40221328]

約数ペア:

[(1, 40221328), (2, 20110664), (4, 10055332), (7, 5745904), (8, 5027666), (14, 2872952), (16, 2513833), (19, 2116912), (28, 1436476), (38, 1058456), (41, 981008), (56, 718238), (76, 529228), (82, 490504), (112, 359119), (133, 302416), (152, 264614), (164, 245252), (266, 151208), (287, 140144), (304, 132307), (328, 122626), (461, 87248), (532, 75604), (574, 70072), (656, 61313), (779, 51632), (922, 43624), (1064, 37802), (1148, 35036), (1558, 25816), (1844, 21812), (2128, 18901), (2296, 17518), (3116, 12908), (3227, 12464), (3688, 10906), (4592, 8759), (5453, 7376), (6232, 6454)]