82161040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 120

約数和(自身を含む): 212397120

約数和(自身を除く): 130236080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 103, 104, 118, 130, 169, 206, 208, 236, 260, 295, 338, 412, 472, 515, 520, 590, 676, 767, 824, 845, 944, 1030, 1040, 1180, 1339, 1352, 1534, 1648, 1690, 2060, 2360, 2678, 2704, 3068, 3380, 3835, 4120, 4720, 5356, 6077, 6136, 6695, 6760, 7670, 8240, 9971, 10712, 12154, 12272, 13390, 13520, 15340, 17407, 19942, 21424, 24308, 26780, 30385, 30680, 34814, 39884, 48616, 49855, 53560, 60770, 61360, 69628, 79001, 79768, 87035, 97232, 99710, 107120, 121540, 139256, 158002, 159536, 174070, 199420, 243080, 278512, 316004, 348140, 395005, 398840, 486160, 632008, 696280, 790010, 797680, 1027013, 1264016, 1392560, 1580020, 2054026, 3160040, 4108052, 5135065, 6320080, 8216104, 10270130, 16432208, 20540260, 41080520, 82161040]

約数ペア:

[(1, 82161040), (2, 41080520), (4, 20540260), (5, 16432208), (8, 10270130), (10, 8216104), (13, 6320080), (16, 5135065), (20, 4108052), (26, 3160040), (40, 2054026), (52, 1580020), (59, 1392560), (65, 1264016), (80, 1027013), (103, 797680), (104, 790010), (118, 696280), (130, 632008), (169, 486160), (206, 398840), (208, 395005), (236, 348140), (260, 316004), (295, 278512), (338, 243080), (412, 199420), (472, 174070), (515, 159536), (520, 158002), (590, 139256), (676, 121540), (767, 107120), (824, 99710), (845, 97232), (944, 87035), (1030, 79768), (1040, 79001), (1180, 69628), (1339, 61360), (1352, 60770), (1534, 53560), (1648, 49855), (1690, 48616), (2060, 39884), (2360, 34814), (2678, 30680), (2704, 30385), (3068, 26780), (3380, 24308), (3835, 21424), (4120, 19942), (4720, 17407), (5356, 15340), (6077, 13520), (6136, 13390), (6695, 12272), (6760, 12154), (7670, 10712), (8240, 9971)]