12643520

素因数分解:

$2^6\times 5^1\times {\mathrm{39511}}^1$

素因数の和:39528

約数の個数: 28

約数和(自身を含む): 30108144

約数和(自身を除く): 17464624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 39511, 79022, 158044, 197555, 316088, 395110, 632176, 790220, 1264352, 1580440, 2528704, 3160880, 6321760, 12643520]

約数ペア:

[(1, 12643520), (2, 6321760), (4, 3160880), (5, 2528704), (8, 1580440), (10, 1264352), (16, 790220), (20, 632176), (32, 395110), (40, 316088), (64, 197555), (80, 158044), (160, 79022), (320, 39511)]