125280280

素因数分解:

$2^3\times 5^1\times {\mathrm{3132007}}^1$

素因数の和:3132018

約数の個数: 16

約数和(自身を含む): 281880720

約数和(自身を除く): 156600440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3132007, 6264014, 12528028, 15660035, 25056056, 31320070, 62640140, 125280280]

約数ペア:

[(1, 125280280), (2, 62640140), (4, 31320070), (5, 25056056), (8, 15660035), (10, 12528028), (20, 6264014), (40, 3132007)]