29780720

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1949}}^1$

素因数の和:2153

約数の個数: 40

約数和(自身を含む): 69638400

約数和(自身を除く): 39857680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 1949, 3056, 3820, 3898, 7640, 7796, 9745, 15280, 15592, 19490, 31184, 38980, 77960, 155920, 372259, 744518, 1489036, 1861295, 2978072, 3722590, 5956144, 7445180, 14890360, 29780720]

約数ペア:

[(1, 29780720), (2, 14890360), (4, 7445180), (5, 5956144), (8, 3722590), (10, 2978072), (16, 1861295), (20, 1489036), (40, 744518), (80, 372259), (191, 155920), (382, 77960), (764, 38980), (955, 31184), (1528, 19490), (1910, 15592), (1949, 15280), (3056, 9745), (3820, 7796), (3898, 7640)]