25280320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:192

約数の個数: 112

約数和(自身を含む): 66568320

約数和(自身を除く): 41288000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 64, 65, 80, 103, 104, 118, 130, 160, 206, 208, 236, 260, 295, 320, 412, 416, 472, 515, 520, 590, 767, 824, 832, 944, 1030, 1040, 1180, 1339, 1534, 1648, 1888, 2060, 2080, 2360, 2678, 3068, 3296, 3776, 3835, 4120, 4160, 4720, 5356, 6077, 6136, 6592, 6695, 7670, 8240, 9440, 10712, 12154, 12272, 13390, 15340, 16480, 18880, 21424, 24308, 24544, 26780, 30385, 30680, 32960, 42848, 48616, 49088, 53560, 60770, 61360, 79001, 85696, 97232, 107120, 121540, 122720, 158002, 194464, 214240, 243080, 245440, 316004, 388928, 395005, 428480, 486160, 632008, 790010, 972320, 1264016, 1580020, 1944640, 2528032, 3160040, 5056064, 6320080, 12640160, 25280320]

約数ペア:

[(1, 25280320), (2, 12640160), (4, 6320080), (5, 5056064), (8, 3160040), (10, 2528032), (13, 1944640), (16, 1580020), (20, 1264016), (26, 972320), (32, 790010), (40, 632008), (52, 486160), (59, 428480), (64, 395005), (65, 388928), (80, 316004), (103, 245440), (104, 243080), (118, 214240), (130, 194464), (160, 158002), (206, 122720), (208, 121540), (236, 107120), (260, 97232), (295, 85696), (320, 79001), (412, 61360), (416, 60770), (472, 53560), (515, 49088), (520, 48616), (590, 42848), (767, 32960), (824, 30680), (832, 30385), (944, 26780), (1030, 24544), (1040, 24308), (1180, 21424), (1339, 18880), (1534, 16480), (1648, 15340), (1888, 13390), (2060, 12272), (2080, 12154), (2360, 10712), (2678, 9440), (3068, 8240), (3296, 7670), (3776, 6695), (3835, 6592), (4120, 6136), (4160, 6077), (4720, 5356)]