65169520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 164489472

約数和(自身を除く): 99319952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 223, 260, 281, 446, 520, 562, 892, 1040, 1115, 1124, 1405, 1784, 2230, 2248, 2810, 2899, 3568, 3653, 4460, 4496, 5620, 5798, 7306, 8920, 11240, 11596, 14495, 14612, 17840, 18265, 22480, 23192, 28990, 29224, 36530, 46384, 57980, 58448, 62663, 73060, 115960, 125326, 146120, 231920, 250652, 292240, 313315, 501304, 626630, 814619, 1002608, 1253260, 1629238, 2506520, 3258476, 4073095, 5013040, 6516952, 8146190, 13033904, 16292380, 32584760, 65169520]

約数ペア:

[(1, 65169520), (2, 32584760), (4, 16292380), (5, 13033904), (8, 8146190), (10, 6516952), (13, 5013040), (16, 4073095), (20, 3258476), (26, 2506520), (40, 1629238), (52, 1253260), (65, 1002608), (80, 814619), (104, 626630), (130, 501304), (208, 313315), (223, 292240), (260, 250652), (281, 231920), (446, 146120), (520, 125326), (562, 115960), (892, 73060), (1040, 62663), (1115, 58448), (1124, 57980), (1405, 46384), (1784, 36530), (2230, 29224), (2248, 28990), (2810, 23192), (2899, 22480), (3568, 18265), (3653, 17840), (4460, 14612), (4496, 14495), (5620, 11596), (5798, 11240), (7306, 8920)]