38540120

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2081}}^1$

素因数の和:2555

約数の個数: 32

約数和(自身を含む): 86944320

約数和(自身を除く): 48404200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2081, 2315, 3704, 4162, 4630, 8324, 9260, 10405, 16648, 18520, 20810, 41620, 83240, 963503, 1927006, 3854012, 4817515, 7708024, 9635030, 19270060, 38540120]

約数ペア:

[(1, 38540120), (2, 19270060), (4, 9635030), (5, 7708024), (8, 4817515), (10, 3854012), (20, 1927006), (40, 963503), (463, 83240), (926, 41620), (1852, 20810), (2081, 18520), (2315, 16648), (3704, 10405), (4162, 9260), (4630, 8324)]