128303320

素因数分解:

$2^3\times 5^1\times {\mathrm{3207583}}^1$

素因数の和:3207594

約数の個数: 16

約数和(自身を含む): 288682560

約数和(自身を除く): 160379240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3207583, 6415166, 12830332, 16037915, 25660664, 32075830, 64151660, 128303320]

約数ペア:

[(1, 128303320), (2, 64151660), (4, 32075830), (5, 25660664), (8, 16037915), (10, 12830332), (20, 6415166), (40, 3207583)]