20403044350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1\times {\mathrm{1087}}^1$

素因数の和:1610

約数の個数: 96

約数和(自身を含む): 41613336576

約数和(自身を除く): 21210292226

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 431, 650, 670, 862, 871, 1087, 1675, 1742, 2155, 2174, 3350, 4310, 4355, 5435, 5603, 8710, 10775, 10870, 11206, 14131, 21550, 21775, 27175, 28015, 28262, 28877, 43550, 54350, 56030, 57754, 70655, 72829, 140075, 141310, 144385, 145658, 280150, 288770, 353275, 364145, 375401, 468497, 706550, 721925, 728290, 750802, 936994, 946777, 1443850, 1820725, 1877005, 1893554, 2342485, 3641450, 3754010, 4684970, 4733885, 6090461, 9385025, 9467770, 11712425, 12180922, 18770050, 23424850, 23669425, 30452305, 31389299, 47338850, 60904610, 62778598, 152261525, 156946495, 304523050, 313892990, 408060887, 784732475, 816121774, 1569464950, 2040304435, 4080608870, 10201522175, 20403044350]

約数ペア:

[(1, 20403044350), (2, 10201522175), (5, 4080608870), (10, 2040304435), (13, 1569464950), (25, 816121774), (26, 784732475), (50, 408060887), (65, 313892990), (67, 304523050), (130, 156946495), (134, 152261525), (325, 62778598), (335, 60904610), (431, 47338850), (650, 31389299), (670, 30452305), (862, 23669425), (871, 23424850), (1087, 18770050), (1675, 12180922), (1742, 11712425), (2155, 9467770), (2174, 9385025), (3350, 6090461), (4310, 4733885), (4355, 4684970), (5435, 3754010), (5603, 3641450), (8710, 2342485), (10775, 1893554), (10870, 1877005), (11206, 1820725), (14131, 1443850), (21550, 946777), (21775, 936994), (27175, 750802), (28015, 728290), (28262, 721925), (28877, 706550), (43550, 468497), (54350, 375401), (56030, 364145), (57754, 353275), (70655, 288770), (72829, 280150), (140075, 145658), (141310, 144385)]