27995120

素因数分解:

$2^4\times 5^1\times {\mathrm{349939}}^1$

素因数の和:349952

約数の個数: 20

約数和(自身を含む): 65088840

約数和(自身を除く): 37093720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349939, 699878, 1399756, 1749695, 2799512, 3499390, 5599024, 6998780, 13997560, 27995120]

約数ペア:

[(1, 27995120), (2, 13997560), (4, 6998780), (5, 5599024), (8, 3499390), (10, 2799512), (16, 1749695), (20, 1399756), (40, 699878), (80, 349939)]