28964840

素因数分解:

$2^3\times 5^1\times {\mathrm{724121}}^1$

素因数の和:724132

約数の個数: 16

約数和(自身を含む): 65170980

約数和(自身を除く): 36206140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 724121, 1448242, 2896484, 3620605, 5792968, 7241210, 14482420, 28964840]

約数ペア:

[(1, 28964840), (2, 14482420), (4, 7241210), (5, 5792968), (8, 3620605), (10, 2896484), (20, 1448242), (40, 724121)]