27952720

素因数分解:

$2^4\times 5^1\times {\mathrm{349409}}^1$

素因数の和:349422

約数の個数: 20

約数和(自身を含む): 64990260

約数和(自身を除く): 37037540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349409, 698818, 1397636, 1747045, 2795272, 3494090, 5590544, 6988180, 13976360, 27952720]

約数ペア:

[(1, 27952720), (2, 13976360), (4, 6988180), (5, 5590544), (8, 3494090), (10, 2795272), (16, 1747045), (20, 1397636), (40, 698818), (80, 349409)]