40177984

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:324

約数の個数: 112

約数和(自身を含む): 102998016

約数和(自身を除く): 62820032

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 77, 88, 112, 124, 154, 176, 217, 224, 248, 263, 308, 341, 352, 434, 448, 496, 526, 616, 682, 704, 868, 992, 1052, 1232, 1364, 1736, 1841, 1984, 2104, 2387, 2464, 2728, 2893, 3472, 3682, 4208, 4774, 4928, 5456, 5786, 6944, 7364, 8153, 8416, 9548, 10912, 11572, 13888, 14728, 16306, 16832, 19096, 20251, 21824, 23144, 29456, 32612, 38192, 40502, 46288, 57071, 58912, 65224, 76384, 81004, 89683, 92576, 114142, 117824, 130448, 152768, 162008, 179366, 185152, 228284, 260896, 324016, 358732, 456568, 521792, 627781, 648032, 717464, 913136, 1255562, 1296064, 1434928, 1826272, 2511124, 2869856, 3652544, 5022248, 5739712, 10044496, 20088992, 40177984]

約数ペア:

[(1, 40177984), (2, 20088992), (4, 10044496), (7, 5739712), (8, 5022248), (11, 3652544), (14, 2869856), (16, 2511124), (22, 1826272), (28, 1434928), (31, 1296064), (32, 1255562), (44, 913136), (56, 717464), (62, 648032), (64, 627781), (77, 521792), (88, 456568), (112, 358732), (124, 324016), (154, 260896), (176, 228284), (217, 185152), (224, 179366), (248, 162008), (263, 152768), (308, 130448), (341, 117824), (352, 114142), (434, 92576), (448, 89683), (496, 81004), (526, 76384), (616, 65224), (682, 58912), (704, 57071), (868, 46288), (992, 40502), (1052, 38192), (1232, 32612), (1364, 29456), (1736, 23144), (1841, 21824), (1984, 20251), (2104, 19096), (2387, 16832), (2464, 16306), (2728, 14728), (2893, 13888), (3472, 11572), (3682, 10912), (4208, 9548), (4774, 8416), (4928, 8153), (5456, 7364), (5786, 6944)]