28683940

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1459}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 60338880

約数和(自身を除く): 31654940

約数列:

[1, 2, 4, 5, 10, 20, 983, 1459, 1966, 2918, 3932, 4915, 5836, 7295, 9830, 14590, 19660, 29180, 1434197, 2868394, 5736788, 7170985, 14341970, 28683940]

約数ペア:

[(1, 28683940), (2, 14341970), (4, 7170985), (5, 5736788), (10, 2868394), (20, 1434197), (983, 29180), (1459, 19660), (1966, 14590), (2918, 9830), (3932, 7295), (4915, 5836)]