2009362520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2131}}^1\times {\mathrm{2143}}^1$

素因数の和:4296

約数の個数: 64

約数和(自身を含む): 4936688640

約数和(自身を除く): 2927326120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2131, 2143, 4262, 4286, 8524, 8572, 10655, 10715, 17048, 17144, 21310, 21430, 23441, 23573, 42620, 42860, 46882, 47146, 85240, 85720, 93764, 94292, 117205, 117865, 187528, 188584, 234410, 235730, 468820, 471460, 937640, 942920, 4566733, 9133466, 18266932, 22833665, 36533864, 45667330, 50234063, 91334660, 100468126, 182669320, 200936252, 251170315, 401872504, 502340630, 1004681260, 2009362520]

約数ペア:

[(1, 2009362520), (2, 1004681260), (4, 502340630), (5, 401872504), (8, 251170315), (10, 200936252), (11, 182669320), (20, 100468126), (22, 91334660), (40, 50234063), (44, 45667330), (55, 36533864), (88, 22833665), (110, 18266932), (220, 9133466), (440, 4566733), (2131, 942920), (2143, 937640), (4262, 471460), (4286, 468820), (8524, 235730), (8572, 234410), (10655, 188584), (10715, 187528), (17048, 117865), (17144, 117205), (21310, 94292), (21430, 93764), (23441, 85720), (23573, 85240), (42620, 47146), (42860, 46882)]