23280280

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1423}}^1$

素因数の和:1843

約数の個数: 32

約数和(自身を含む): 52545600

約数和(自身を除く): 29265320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1423, 1636, 2045, 2846, 3272, 4090, 5692, 7115, 8180, 11384, 14230, 16360, 28460, 56920, 582007, 1164014, 2328028, 2910035, 4656056, 5820070, 11640140, 23280280]

約数ペア:

[(1, 23280280), (2, 11640140), (4, 5820070), (5, 4656056), (8, 2910035), (10, 2328028), (20, 1164014), (40, 582007), (409, 56920), (818, 28460), (1423, 16360), (1636, 14230), (2045, 11384), (2846, 8180), (3272, 7115), (4090, 5692)]