396367040

素因数分解:

$2^6\times 5^1\times {\mathrm{1238647}}^1$

素因数の和:1238664

約数の個数: 28

約数和(自身を含む): 943849776

約数和(自身を除く): 547482736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1238647, 2477294, 4954588, 6193235, 9909176, 12386470, 19818352, 24772940, 39636704, 49545880, 79273408, 99091760, 198183520, 396367040]

約数ペア:

[(1, 396367040), (2, 198183520), (4, 99091760), (5, 79273408), (8, 49545880), (10, 39636704), (16, 24772940), (20, 19818352), (32, 12386470), (40, 9909176), (64, 6193235), (80, 4954588), (160, 2477294), (320, 1238647)]