28765720

素因数分解:

$2^3\times 5^1\times {\mathrm{719143}}^1$

素因数の和:719154

約数の個数: 16

約数和(自身を含む): 64722960

約数和(自身を除く): 35957240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 719143, 1438286, 2876572, 3595715, 5753144, 7191430, 14382860, 28765720]

約数ペア:

[(1, 28765720), (2, 14382860), (4, 7191430), (5, 5753144), (8, 3595715), (10, 2876572), (20, 1438286), (40, 719143)]