12747040

素因数分解:

$2^5\times 5^1\times {\mathrm{79669}}^1$

素因数の和:79684

約数の個数: 24

約数和(自身を含む): 30115260

約数和(自身を除く): 17368220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 79669, 159338, 318676, 398345, 637352, 796690, 1274704, 1593380, 2549408, 3186760, 6373520, 12747040]

約数ペア:

[(1, 12747040), (2, 6373520), (4, 3186760), (5, 2549408), (8, 1593380), (10, 1274704), (16, 796690), (20, 637352), (32, 398345), (40, 318676), (80, 159338), (160, 79669)]