4640120

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{373}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 10501920

約数和(自身を除く): 5861800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 373, 622, 746, 1244, 1492, 1555, 1865, 2488, 2984, 3110, 3730, 6220, 7460, 12440, 14920, 116003, 232006, 464012, 580015, 928024, 1160030, 2320060, 4640120]

約数ペア:

[(1, 4640120), (2, 2320060), (4, 1160030), (5, 928024), (8, 580015), (10, 464012), (20, 232006), (40, 116003), (311, 14920), (373, 12440), (622, 7460), (746, 6220), (1244, 3730), (1492, 3110), (1555, 2984), (1865, 2488)]