40287208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7309}}^1$

素因数の和:7381

約数の個数: 32

約数和(自身を含む): 82895400

約数和(自身を除く): 42608192

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 7309, 14618, 29236, 58472, 95017, 190034, 380068, 387377, 760136, 774754, 1549508, 3099016, 5035901, 10071802, 20143604, 40287208]

約数ペア:

[(1, 40287208), (2, 20143604), (4, 10071802), (8, 5035901), (13, 3099016), (26, 1549508), (52, 774754), (53, 760136), (104, 387377), (106, 380068), (212, 190034), (424, 95017), (689, 58472), (1378, 29236), (2756, 14618), (5512, 7309)]