13931720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31663}}^1$

素因数の和:31685

約数の個数: 32

約数和(自身を含む): 34197120

約数和(自身を除く): 20265400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 31663, 63326, 126652, 158315, 253304, 316630, 348293, 633260, 696586, 1266520, 1393172, 1741465, 2786344, 3482930, 6965860, 13931720]

約数ペア:

[(1, 13931720), (2, 6965860), (4, 3482930), (5, 2786344), (8, 1741465), (10, 1393172), (11, 1266520), (20, 696586), (22, 633260), (40, 348293), (44, 316630), (55, 253304), (88, 158315), (110, 126652), (220, 63326), (440, 31663)]