30865840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8209}}^1$

素因数の和:8269

約数の個数: 40

約数和(自身を含む): 73298880

約数和(自身を除く): 42433040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 8209, 16418, 32836, 41045, 65672, 82090, 131344, 164180, 328360, 385823, 656720, 771646, 1543292, 1929115, 3086584, 3858230, 6173168, 7716460, 15432920, 30865840]

約数ペア:

[(1, 30865840), (2, 15432920), (4, 7716460), (5, 6173168), (8, 3858230), (10, 3086584), (16, 1929115), (20, 1543292), (40, 771646), (47, 656720), (80, 385823), (94, 328360), (188, 164180), (235, 131344), (376, 82090), (470, 65672), (752, 41045), (940, 32836), (1880, 16418), (3760, 8209)]