42368020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 91099008

約数和(自身を除く): 48730988

約数列:

[1, 2, 4, 5, 10, 20, 103, 131, 157, 206, 262, 314, 412, 515, 524, 628, 655, 785, 1030, 1310, 1570, 2060, 2620, 3140, 13493, 16171, 20567, 26986, 32342, 41134, 53972, 64684, 67465, 80855, 82268, 102835, 134930, 161710, 205670, 269860, 323420, 411340, 2118401, 4236802, 8473604, 10592005, 21184010, 42368020]

約数ペア:

[(1, 42368020), (2, 21184010), (4, 10592005), (5, 8473604), (10, 4236802), (20, 2118401), (103, 411340), (131, 323420), (157, 269860), (206, 205670), (262, 161710), (314, 134930), (412, 102835), (515, 82268), (524, 80855), (628, 67465), (655, 64684), (785, 53972), (1030, 41134), (1310, 32342), (1570, 26986), (2060, 20567), (2620, 16171), (3140, 13493)]