12640160

素因数分解:

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

素因数の和:190

約数の個数: 96

約数和(自身を含む): 33022080

約数和(自身を除く): 20381920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 65, 80, 103, 104, 118, 130, 160, 206, 208, 236, 260, 295, 412, 416, 472, 515, 520, 590, 767, 824, 944, 1030, 1040, 1180, 1339, 1534, 1648, 1888, 2060, 2080, 2360, 2678, 3068, 3296, 3835, 4120, 4720, 5356, 6077, 6136, 6695, 7670, 8240, 9440, 10712, 12154, 12272, 13390, 15340, 16480, 21424, 24308, 24544, 26780, 30385, 30680, 42848, 48616, 53560, 60770, 61360, 79001, 97232, 107120, 121540, 122720, 158002, 194464, 214240, 243080, 316004, 395005, 486160, 632008, 790010, 972320, 1264016, 1580020, 2528032, 3160040, 6320080, 12640160]

約数ペア:

[(1, 12640160), (2, 6320080), (4, 3160040), (5, 2528032), (8, 1580020), (10, 1264016), (13, 972320), (16, 790010), (20, 632008), (26, 486160), (32, 395005), (40, 316004), (52, 243080), (59, 214240), (65, 194464), (80, 158002), (103, 122720), (104, 121540), (118, 107120), (130, 97232), (160, 79001), (206, 61360), (208, 60770), (236, 53560), (260, 48616), (295, 42848), (412, 30680), (416, 30385), (472, 26780), (515, 24544), (520, 24308), (590, 21424), (767, 16480), (824, 15340), (944, 13390), (1030, 12272), (1040, 12154), (1180, 10712), (1339, 9440), (1534, 8240), (1648, 7670), (1888, 6695), (2060, 6136), (2080, 6077), (2360, 5356), (2678, 4720), (3068, 4120), (3296, 3835)]