21083120500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{39079}}^1$

素因数の和:39194

約数の個数: 96

約数和(自身を含む): 50186223360

約数和(自身を除く): 29103102860

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 83, 100, 125, 130, 166, 250, 260, 325, 332, 415, 500, 650, 830, 1079, 1300, 1625, 1660, 2075, 2158, 3250, 4150, 4316, 5395, 6500, 8300, 10375, 10790, 20750, 21580, 26975, 39079, 41500, 53950, 78158, 107900, 134875, 156316, 195395, 269750, 390790, 508027, 539500, 781580, 976975, 1016054, 1953950, 2032108, 2540135, 3243557, 3907900, 4884875, 5080270, 6487114, 9769750, 10160540, 12700675, 12974228, 16217785, 19539500, 25401350, 32435570, 42166241, 50802700, 63503375, 64871140, 81088925, 84332482, 127006750, 162177850, 168664964, 210831205, 254013500, 324355700, 405444625, 421662410, 810889250, 843324820, 1054156025, 1621778500, 2108312050, 4216624100, 5270780125, 10541560250, 21083120500]

約数ペア:

[(1, 21083120500), (2, 10541560250), (4, 5270780125), (5, 4216624100), (10, 2108312050), (13, 1621778500), (20, 1054156025), (25, 843324820), (26, 810889250), (50, 421662410), (52, 405444625), (65, 324355700), (83, 254013500), (100, 210831205), (125, 168664964), (130, 162177850), (166, 127006750), (250, 84332482), (260, 81088925), (325, 64871140), (332, 63503375), (415, 50802700), (500, 42166241), (650, 32435570), (830, 25401350), (1079, 19539500), (1300, 16217785), (1625, 12974228), (1660, 12700675), (2075, 10160540), (2158, 9769750), (3250, 6487114), (4150, 5080270), (4316, 4884875), (5395, 3907900), (6500, 3243557), (8300, 2540135), (10375, 2032108), (10790, 1953950), (20750, 1016054), (21580, 976975), (26975, 781580), (39079, 539500), (41500, 508027), (53950, 390790), (78158, 269750), (107900, 195395), (134875, 156316)]