2087948654480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{19491679}}^1$

素因数の和:19491808

約数の個数: 80

約数和(自身を含む): 5278658810880

約数和(自身を除く): 3190710156400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 206, 208, 260, 412, 515, 520, 824, 1030, 1040, 1339, 1648, 2060, 2678, 4120, 5356, 6695, 8240, 10712, 13390, 21424, 26780, 53560, 107120, 19491679, 38983358, 77966716, 97458395, 155933432, 194916790, 253391827, 311866864, 389833580, 506783654, 779667160, 1013567308, 1266959135, 1559334320, 2007642937, 2027134616, 2533918270, 4015285874, 4054269232, 5067836540, 8030571748, 10038214685, 10135673080, 16061143496, 20076429370, 20271346160, 26099358181, 32122286992, 40152858740, 52198716362, 80305717480, 104397432724, 130496790905, 160611434960, 208794865448, 260993581810, 417589730896, 521987163620, 1043974327240, 2087948654480]

約数ペア:

[(1, 2087948654480), (2, 1043974327240), (4, 521987163620), (5, 417589730896), (8, 260993581810), (10, 208794865448), (13, 160611434960), (16, 130496790905), (20, 104397432724), (26, 80305717480), (40, 52198716362), (52, 40152858740), (65, 32122286992), (80, 26099358181), (103, 20271346160), (104, 20076429370), (130, 16061143496), (206, 10135673080), (208, 10038214685), (260, 8030571748), (412, 5067836540), (515, 4054269232), (520, 4015285874), (824, 2533918270), (1030, 2027134616), (1040, 2007642937), (1339, 1559334320), (1648, 1266959135), (2060, 1013567308), (2678, 779667160), (4120, 506783654), (5356, 389833580), (6695, 311866864), (8240, 253391827), (10712, 194916790), (13390, 155933432), (21424, 97458395), (26780, 77966716), (53560, 38983358), (107120, 19491679)]