40894384

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 90931680

約数和(自身を除く): 50037296

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 41, 68, 76, 82, 136, 152, 164, 193, 272, 304, 323, 328, 386, 646, 656, 697, 772, 779, 1292, 1394, 1544, 1558, 2584, 2788, 3088, 3116, 3281, 3667, 5168, 5576, 6232, 6562, 7334, 7913, 11152, 12464, 13124, 13243, 14668, 15826, 26248, 26486, 29336, 31652, 52496, 52972, 58672, 62339, 63304, 105944, 124678, 126608, 134521, 150347, 211888, 249356, 269042, 300694, 498712, 538084, 601388, 997424, 1076168, 1202776, 2152336, 2405552, 2555899, 5111798, 10223596, 20447192, 40894384]

約数ペア:

[(1, 40894384), (2, 20447192), (4, 10223596), (8, 5111798), (16, 2555899), (17, 2405552), (19, 2152336), (34, 1202776), (38, 1076168), (41, 997424), (68, 601388), (76, 538084), (82, 498712), (136, 300694), (152, 269042), (164, 249356), (193, 211888), (272, 150347), (304, 134521), (323, 126608), (328, 124678), (386, 105944), (646, 63304), (656, 62339), (697, 58672), (772, 52972), (779, 52496), (1292, 31652), (1394, 29336), (1544, 26486), (1558, 26248), (2584, 15826), (2788, 14668), (3088, 13243), (3116, 13124), (3281, 12464), (3667, 11152), (5168, 7913), (5576, 7334), (6232, 6562)]