13720840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{49003}}^1$

素因数の和:49021

約数の個数: 32

約数和(自身を含む): 35282880

約数和(自身を除く): 21562040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 49003, 98006, 196012, 245015, 343021, 392024, 490030, 686042, 980060, 1372084, 1715105, 1960120, 2744168, 3430210, 6860420, 13720840]

約数ペア:

[(1, 13720840), (2, 6860420), (4, 3430210), (5, 2744168), (7, 1960120), (8, 1715105), (10, 1372084), (14, 980060), (20, 686042), (28, 490030), (35, 392024), (40, 343021), (56, 245015), (70, 196012), (140, 98006), (280, 49003)]