20199821200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{6337}}^1$

素因数の和:6981

約数の個数: 120

約数和(自身を含む): 52356671528

約数和(自身を除く): 32156850328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 613, 650, 1040, 1226, 1300, 2452, 2600, 3065, 4904, 5200, 6130, 6337, 7969, 9808, 12260, 12674, 15325, 15938, 24520, 25348, 30650, 31685, 31876, 39845, 49040, 50696, 61300, 63370, 63752, 79690, 82381, 101392, 122600, 126740, 127504, 158425, 159380, 164762, 199225, 245200, 253480, 316850, 318760, 329524, 398450, 411905, 506960, 633700, 637520, 659048, 796900, 823810, 1267400, 1318096, 1593800, 1647620, 2059525, 2534800, 3187600, 3295240, 3884581, 4119050, 6590480, 7769162, 8238100, 15538324, 16476200, 19422905, 31076648, 32952400, 38845810, 50499553, 62153296, 77691620, 97114525, 100999106, 155383240, 194229050, 201998212, 252497765, 310766480, 388458100, 403996424, 504995530, 776916200, 807992848, 1009991060, 1262488825, 1553832400, 2019982120, 2524977650, 4039964240, 5049955300, 10099910600, 20199821200]

約数ペア:

[(1, 20199821200), (2, 10099910600), (4, 5049955300), (5, 4039964240), (8, 2524977650), (10, 2019982120), (13, 1553832400), (16, 1262488825), (20, 1009991060), (25, 807992848), (26, 776916200), (40, 504995530), (50, 403996424), (52, 388458100), (65, 310766480), (80, 252497765), (100, 201998212), (104, 194229050), (130, 155383240), (200, 100999106), (208, 97114525), (260, 77691620), (325, 62153296), (400, 50499553), (520, 38845810), (613, 32952400), (650, 31076648), (1040, 19422905), (1226, 16476200), (1300, 15538324), (2452, 8238100), (2600, 7769162), (3065, 6590480), (4904, 4119050), (5200, 3884581), (6130, 3295240), (6337, 3187600), (7969, 2534800), (9808, 2059525), (12260, 1647620), (12674, 1593800), (15325, 1318096), (15938, 1267400), (24520, 823810), (25348, 796900), (30650, 659048), (31685, 637520), (31876, 633700), (39845, 506960), (49040, 411905), (50696, 398450), (61300, 329524), (63370, 318760), (63752, 316850), (79690, 253480), (82381, 245200), (101392, 199225), (122600, 164762), (126740, 159380), (127504, 158425)]