28185160

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4073}}^1$

素因数の和:4257

約数の個数: 32

約数和(自身を含む): 63798840

約数和(自身を除く): 35613680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 4073, 6920, 8146, 16292, 20365, 32584, 40730, 81460, 162920, 704629, 1409258, 2818516, 3523145, 5637032, 7046290, 14092580, 28185160]

約数ペア:

[(1, 28185160), (2, 14092580), (4, 7046290), (5, 5637032), (8, 3523145), (10, 2818516), (20, 1409258), (40, 704629), (173, 162920), (346, 81460), (692, 40730), (865, 32584), (1384, 20365), (1730, 16292), (3460, 8146), (4073, 6920)]