31794040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7717}}^1$

素因数の和:7831

約数の個数: 32

約数和(自身を含む): 72240480

約数和(自身を除く): 40446440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 7717, 15434, 30868, 38585, 61736, 77170, 154340, 308680, 794851, 1589702, 3179404, 3974255, 6358808, 7948510, 15897020, 31794040]

約数ペア:

[(1, 31794040), (2, 15897020), (4, 7948510), (5, 6358808), (8, 3974255), (10, 3179404), (20, 1589702), (40, 794851), (103, 308680), (206, 154340), (412, 77170), (515, 61736), (824, 38585), (1030, 30868), (2060, 15434), (4120, 7717)]