13901960

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{947}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 31397760

約数和(自身を除く): 17495800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 947, 1468, 1835, 1894, 2936, 3670, 3788, 4735, 7340, 7576, 9470, 14680, 18940, 37880, 347549, 695098, 1390196, 1737745, 2780392, 3475490, 6950980, 13901960]

約数ペア:

[(1, 13901960), (2, 6950980), (4, 3475490), (5, 2780392), (8, 1737745), (10, 1390196), (20, 695098), (40, 347549), (367, 37880), (734, 18940), (947, 14680), (1468, 9470), (1835, 7576), (1894, 7340), (2936, 4735), (3670, 3788)]