2783444560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{4049}}^1$

素因数の和:4736

約数の個数: 80

約数和(自身を含む): 6981584400

約数和(自身を除く): 4198139840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 661, 1040, 1322, 2644, 3305, 4049, 5288, 6610, 8098, 8593, 10576, 13220, 16196, 17186, 20245, 26440, 32392, 34372, 40490, 42965, 52637, 52880, 64784, 68744, 80980, 85930, 105274, 137488, 161960, 171860, 210548, 263185, 323920, 343720, 421096, 526370, 687440, 842192, 1052740, 2105480, 2676389, 4210960, 5352778, 10705556, 13381945, 21411112, 26763890, 34793057, 42822224, 53527780, 69586114, 107055560, 139172228, 173965285, 214111120, 278344456, 347930570, 556688912, 695861140, 1391722280, 2783444560]

約数ペア:

[(1, 2783444560), (2, 1391722280), (4, 695861140), (5, 556688912), (8, 347930570), (10, 278344456), (13, 214111120), (16, 173965285), (20, 139172228), (26, 107055560), (40, 69586114), (52, 53527780), (65, 42822224), (80, 34793057), (104, 26763890), (130, 21411112), (208, 13381945), (260, 10705556), (520, 5352778), (661, 4210960), (1040, 2676389), (1322, 2105480), (2644, 1052740), (3305, 842192), (4049, 687440), (5288, 526370), (6610, 421096), (8098, 343720), (8593, 323920), (10576, 263185), (13220, 210548), (16196, 171860), (17186, 161960), (20245, 137488), (26440, 105274), (32392, 85930), (34372, 80980), (40490, 68744), (42965, 64784), (52637, 52880)]