40340720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 120

約数和(自身を含む): 112211568

約数和(自身を除く): 71870848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 164, 196, 205, 245, 251, 280, 287, 328, 392, 410, 490, 502, 560, 574, 656, 784, 820, 980, 1004, 1148, 1255, 1435, 1640, 1757, 1960, 2008, 2009, 2296, 2510, 2870, 3280, 3514, 3920, 4016, 4018, 4592, 5020, 5740, 7028, 8036, 8785, 10040, 10045, 10291, 11480, 12299, 14056, 16072, 17570, 20080, 20090, 20582, 22960, 24598, 28112, 32144, 35140, 40180, 41164, 49196, 51455, 61495, 70280, 72037, 80360, 82328, 98392, 102910, 122990, 140560, 144074, 160720, 164656, 196784, 205820, 245980, 288148, 360185, 411640, 491960, 504259, 576296, 720370, 823280, 983920, 1008518, 1152592, 1440740, 2017036, 2521295, 2881480, 4034072, 5042590, 5762960, 8068144, 10085180, 20170360, 40340720]

約数ペア:

[(1, 40340720), (2, 20170360), (4, 10085180), (5, 8068144), (7, 5762960), (8, 5042590), (10, 4034072), (14, 2881480), (16, 2521295), (20, 2017036), (28, 1440740), (35, 1152592), (40, 1008518), (41, 983920), (49, 823280), (56, 720370), (70, 576296), (80, 504259), (82, 491960), (98, 411640), (112, 360185), (140, 288148), (164, 245980), (196, 205820), (205, 196784), (245, 164656), (251, 160720), (280, 144074), (287, 140560), (328, 122990), (392, 102910), (410, 98392), (490, 82328), (502, 80360), (560, 72037), (574, 70280), (656, 61495), (784, 51455), (820, 49196), (980, 41164), (1004, 40180), (1148, 35140), (1255, 32144), (1435, 28112), (1640, 24598), (1757, 22960), (1960, 20582), (2008, 20090), (2009, 20080), (2296, 17570), (2510, 16072), (2870, 14056), (3280, 12299), (3514, 11480), (3920, 10291), (4016, 10045), (4018, 10040), (4592, 8785), (5020, 8036), (5740, 7028)]