31306040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{14767}}^1$

素因数の和:14831

約数の個数: 32

約数和(自身を含む): 71772480

約数和(自身を除く): 40466440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 14767, 29534, 59068, 73835, 118136, 147670, 295340, 590680, 782651, 1565302, 3130604, 3913255, 6261208, 7826510, 15653020, 31306040]

約数ペア:

[(1, 31306040), (2, 15653020), (4, 7826510), (5, 6261208), (8, 3913255), (10, 3130604), (20, 1565302), (40, 782651), (53, 590680), (106, 295340), (212, 147670), (265, 118136), (424, 73835), (530, 59068), (1060, 29534), (2120, 14767)]