12796720

素因数分解:

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

素因数の和:1669

約数の個数: 40

約数和(自身を含む): 30060576

約数和(自身を除く): 17263856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1553, 1648, 2060, 3106, 4120, 6212, 7765, 8240, 12424, 15530, 24848, 31060, 62120, 124240, 159959, 319918, 639836, 799795, 1279672, 1599590, 2559344, 3199180, 6398360, 12796720]

約数ペア:

[(1, 12796720), (2, 6398360), (4, 3199180), (5, 2559344), (8, 1599590), (10, 1279672), (16, 799795), (20, 639836), (40, 319918), (80, 159959), (103, 124240), (206, 62120), (412, 31060), (515, 24848), (824, 15530), (1030, 12424), (1553, 8240), (1648, 7765), (2060, 6212), (3106, 4120)]