31472840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112403}}^1$

素因数の和:112421

約数の個数: 32

約数和(自身を含む): 80930880

約数和(自身を除く): 49458040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112403, 224806, 449612, 562015, 786821, 899224, 1124030, 1573642, 2248060, 3147284, 3934105, 4496120, 6294568, 7868210, 15736420, 31472840]

約数ペア:

[(1, 31472840), (2, 15736420), (4, 7868210), (5, 6294568), (7, 4496120), (8, 3934105), (10, 3147284), (14, 2248060), (20, 1573642), (28, 1124030), (35, 899224), (40, 786821), (56, 562015), (70, 449612), (140, 224806), (280, 112403)]