2440120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 5598720

約数和(自身を除く): 3158600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1151, 2120, 2302, 4604, 5755, 9208, 11510, 23020, 46040, 61003, 122006, 244012, 305015, 488024, 610030, 1220060, 2440120]

約数ペア:

[(1, 2440120), (2, 1220060), (4, 610030), (5, 488024), (8, 305015), (10, 244012), (20, 122006), (40, 61003), (53, 46040), (106, 23020), (212, 11510), (265, 9208), (424, 5755), (530, 4604), (1060, 2302), (1151, 2120)]