2009085040

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{1553}}^1$

素因数の和:1826

約数の個数: 80

約数和(自身を含む): 4749571008

約数和(自身を除く): 2740485968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 157, 206, 314, 412, 515, 628, 785, 824, 1030, 1256, 1553, 1570, 1648, 2060, 2512, 3106, 3140, 4120, 6212, 6280, 7765, 8240, 12424, 12560, 15530, 16171, 24848, 31060, 32342, 62120, 64684, 80855, 124240, 129368, 159959, 161710, 243821, 258736, 319918, 323420, 487642, 639836, 646840, 799795, 975284, 1219105, 1279672, 1293680, 1599590, 1950568, 2438210, 2559344, 3199180, 3901136, 4876420, 6398360, 9752840, 12796720, 19505680, 25113563, 50227126, 100454252, 125567815, 200908504, 251135630, 401817008, 502271260, 1004542520, 2009085040]

約数ペア:

[(1, 2009085040), (2, 1004542520), (4, 502271260), (5, 401817008), (8, 251135630), (10, 200908504), (16, 125567815), (20, 100454252), (40, 50227126), (80, 25113563), (103, 19505680), (157, 12796720), (206, 9752840), (314, 6398360), (412, 4876420), (515, 3901136), (628, 3199180), (785, 2559344), (824, 2438210), (1030, 1950568), (1256, 1599590), (1553, 1293680), (1570, 1279672), (1648, 1219105), (2060, 975284), (2512, 799795), (3106, 646840), (3140, 639836), (4120, 487642), (6212, 323420), (6280, 319918), (7765, 258736), (8240, 243821), (12424, 161710), (12560, 159959), (15530, 129368), (16171, 124240), (24848, 80855), (31060, 64684), (32342, 62120)]