38980720

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1663}}^1$

素因数の和:1969

約数の個数: 40

約数和(自身を含む): 90994176

約数和(自身を除く): 52013456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 1172, 1465, 1663, 2344, 2930, 3326, 4688, 5860, 6652, 8315, 11720, 13304, 16630, 23440, 26608, 33260, 66520, 133040, 487259, 974518, 1949036, 2436295, 3898072, 4872590, 7796144, 9745180, 19490360, 38980720]

約数ペア:

[(1, 38980720), (2, 19490360), (4, 9745180), (5, 7796144), (8, 4872590), (10, 3898072), (16, 2436295), (20, 1949036), (40, 974518), (80, 487259), (293, 133040), (586, 66520), (1172, 33260), (1465, 26608), (1663, 23440), (2344, 16630), (2930, 13304), (3326, 11720), (4688, 8315), (5860, 6652)]