131965520

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{4673}}^1$

素因数の和:5039

約数の個数: 40

約数和(自身を含む): 307754856

約数和(自身を除く): 175789336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2824, 3530, 4673, 5648, 7060, 9346, 14120, 18692, 23365, 28240, 37384, 46730, 74768, 93460, 186920, 373840, 1649569, 3299138, 6598276, 8247845, 13196552, 16495690, 26393104, 32991380, 65982760, 131965520]

約数ペア:

[(1, 131965520), (2, 65982760), (4, 32991380), (5, 26393104), (8, 16495690), (10, 13196552), (16, 8247845), (20, 6598276), (40, 3299138), (80, 1649569), (353, 373840), (706, 186920), (1412, 93460), (1765, 74768), (2824, 46730), (3530, 37384), (4673, 28240), (5648, 23365), (7060, 18692), (9346, 14120)]