23217920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 64901088

約数和(自身を除く): 41683168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 97, 110, 128, 136, 160, 170, 176, 187, 194, 220, 256, 272, 320, 340, 352, 374, 388, 440, 485, 544, 640, 680, 704, 748, 776, 880, 935, 970, 1067, 1088, 1280, 1360, 1408, 1496, 1552, 1649, 1760, 1870, 1940, 2134, 2176, 2720, 2816, 2992, 3104, 3298, 3520, 3740, 3880, 4268, 4352, 5335, 5440, 5984, 6208, 6596, 7040, 7480, 7760, 8245, 8536, 10670, 10880, 11968, 12416, 13192, 14080, 14960, 15520, 16490, 17072, 18139, 21340, 21760, 23936, 24832, 26384, 29920, 31040, 32980, 34144, 36278, 42680, 47872, 52768, 59840, 62080, 65960, 68288, 72556, 85360, 90695, 105536, 119680, 124160, 131920, 136576, 145112, 170720, 181390, 211072, 239360, 263840, 273152, 290224, 341440, 362780, 422144, 527680, 580448, 682880, 725560, 1055360, 1160896, 1365760, 1451120, 2110720, 2321792, 2902240, 4643584, 5804480, 11608960, 23217920]

約数ペア:

[(1, 23217920), (2, 11608960), (4, 5804480), (5, 4643584), (8, 2902240), (10, 2321792), (11, 2110720), (16, 1451120), (17, 1365760), (20, 1160896), (22, 1055360), (32, 725560), (34, 682880), (40, 580448), (44, 527680), (55, 422144), (64, 362780), (68, 341440), (80, 290224), (85, 273152), (88, 263840), (97, 239360), (110, 211072), (128, 181390), (136, 170720), (160, 145112), (170, 136576), (176, 131920), (187, 124160), (194, 119680), (220, 105536), (256, 90695), (272, 85360), (320, 72556), (340, 68288), (352, 65960), (374, 62080), (388, 59840), (440, 52768), (485, 47872), (544, 42680), (640, 36278), (680, 34144), (704, 32980), (748, 31040), (776, 29920), (880, 26384), (935, 24832), (970, 23936), (1067, 21760), (1088, 21340), (1280, 18139), (1360, 17072), (1408, 16490), (1496, 15520), (1552, 14960), (1649, 14080), (1760, 13192), (1870, 12416), (1940, 11968), (2134, 10880), (2176, 10670), (2720, 8536), (2816, 8245), (2992, 7760), (3104, 7480), (3298, 7040), (3520, 6596), (3740, 6208), (3880, 5984), (4268, 5440), (4352, 5335)]