84736040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 195212160

約数和(自身を除く): 110476120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 131, 157, 206, 262, 314, 412, 515, 524, 628, 655, 785, 824, 1030, 1048, 1256, 1310, 1570, 2060, 2620, 3140, 4120, 5240, 6280, 13493, 16171, 20567, 26986, 32342, 41134, 53972, 64684, 67465, 80855, 82268, 102835, 107944, 129368, 134930, 161710, 164536, 205670, 269860, 323420, 411340, 539720, 646840, 822680, 2118401, 4236802, 8473604, 10592005, 16947208, 21184010, 42368020, 84736040]

約数ペア:

[(1, 84736040), (2, 42368020), (4, 21184010), (5, 16947208), (8, 10592005), (10, 8473604), (20, 4236802), (40, 2118401), (103, 822680), (131, 646840), (157, 539720), (206, 411340), (262, 323420), (314, 269860), (412, 205670), (515, 164536), (524, 161710), (628, 134930), (655, 129368), (785, 107944), (824, 102835), (1030, 82268), (1048, 80855), (1256, 67465), (1310, 64684), (1570, 53972), (2060, 41134), (2620, 32342), (3140, 26986), (4120, 20567), (5240, 16171), (6280, 13493)]