61581680

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4903}}^1$

素因数の和:5073

約数の個数: 40

約数和(自身を含む): 144118752

約数和(自身を除く): 82537072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 4903, 6280, 9806, 12560, 19612, 24515, 39224, 49030, 78448, 98060, 196120, 392240, 769771, 1539542, 3079084, 3848855, 6158168, 7697710, 12316336, 15395420, 30790840, 61581680]

約数ペア:

[(1, 61581680), (2, 30790840), (4, 15395420), (5, 12316336), (8, 7697710), (10, 6158168), (16, 3848855), (20, 3079084), (40, 1539542), (80, 769771), (157, 392240), (314, 196120), (628, 98060), (785, 78448), (1256, 49030), (1570, 39224), (2512, 24515), (3140, 19612), (4903, 12560), (6280, 9806)]