81484780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 194322240

約数和(自身を除く): 112837460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 101, 107, 116, 130, 145, 202, 214, 260, 290, 377, 404, 428, 505, 535, 580, 754, 1010, 1070, 1313, 1391, 1508, 1885, 2020, 2140, 2626, 2782, 2929, 3103, 3770, 5252, 5564, 5858, 6206, 6565, 6955, 7540, 10807, 11716, 12412, 13130, 13910, 14645, 15515, 21614, 26260, 27820, 29290, 31030, 38077, 40339, 43228, 54035, 58580, 62060, 76154, 80678, 108070, 140491, 152308, 161356, 190385, 201695, 216140, 280982, 313403, 380770, 403390, 561964, 626806, 702455, 761540, 806780, 1253612, 1404910, 1567015, 2809820, 3134030, 4074239, 6268060, 8148478, 16296956, 20371195, 40742390, 81484780]

約数ペア:

[(1, 81484780), (2, 40742390), (4, 20371195), (5, 16296956), (10, 8148478), (13, 6268060), (20, 4074239), (26, 3134030), (29, 2809820), (52, 1567015), (58, 1404910), (65, 1253612), (101, 806780), (107, 761540), (116, 702455), (130, 626806), (145, 561964), (202, 403390), (214, 380770), (260, 313403), (290, 280982), (377, 216140), (404, 201695), (428, 190385), (505, 161356), (535, 152308), (580, 140491), (754, 108070), (1010, 80678), (1070, 76154), (1313, 62060), (1391, 58580), (1508, 54035), (1885, 43228), (2020, 40339), (2140, 38077), (2626, 31030), (2782, 29290), (2929, 27820), (3103, 26260), (3770, 21614), (5252, 15515), (5564, 14645), (5858, 13910), (6206, 13130), (6565, 12412), (6955, 11716), (7540, 10807)]