51549440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 137749248

約数和(自身を除く): 86199808

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 103, 115, 128, 136, 160, 170, 184, 206, 230, 256, 272, 320, 340, 368, 391, 412, 460, 515, 544, 640, 680, 736, 782, 824, 920, 1030, 1088, 1280, 1360, 1472, 1564, 1648, 1751, 1840, 1955, 2060, 2176, 2369, 2720, 2944, 3128, 3296, 3502, 3680, 3910, 4120, 4352, 4738, 5440, 5888, 6256, 6592, 7004, 7360, 7820, 8240, 8755, 9476, 10880, 11845, 12512, 13184, 14008, 14720, 15640, 16480, 17510, 18952, 21760, 23690, 25024, 26368, 28016, 29440, 31280, 32960, 35020, 37904, 40273, 47380, 50048, 56032, 62560, 65920, 70040, 75808, 80546, 94760, 100096, 112064, 125120, 131840, 140080, 151616, 161092, 189520, 201365, 224128, 250240, 280160, 303232, 322184, 379040, 402730, 448256, 500480, 560320, 606464, 644368, 758080, 805460, 1120640, 1288736, 1516160, 1610920, 2241280, 2577472, 3032320, 3221840, 5154944, 6443680, 10309888, 12887360, 25774720, 51549440]

約数ペア:

[(1, 51549440), (2, 25774720), (4, 12887360), (5, 10309888), (8, 6443680), (10, 5154944), (16, 3221840), (17, 3032320), (20, 2577472), (23, 2241280), (32, 1610920), (34, 1516160), (40, 1288736), (46, 1120640), (64, 805460), (68, 758080), (80, 644368), (85, 606464), (92, 560320), (103, 500480), (115, 448256), (128, 402730), (136, 379040), (160, 322184), (170, 303232), (184, 280160), (206, 250240), (230, 224128), (256, 201365), (272, 189520), (320, 161092), (340, 151616), (368, 140080), (391, 131840), (412, 125120), (460, 112064), (515, 100096), (544, 94760), (640, 80546), (680, 75808), (736, 70040), (782, 65920), (824, 62560), (920, 56032), (1030, 50048), (1088, 47380), (1280, 40273), (1360, 37904), (1472, 35020), (1564, 32960), (1648, 31280), (1751, 29440), (1840, 28016), (1955, 26368), (2060, 25024), (2176, 23690), (2369, 21760), (2720, 18952), (2944, 17510), (3128, 16480), (3296, 15640), (3502, 14720), (3680, 14008), (3910, 13184), (4120, 12512), (4352, 11845), (4738, 10880), (5440, 9476), (5888, 8755), (6256, 8240), (6592, 7820), (7004, 7360)]