90246040

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5683}}^1$

素因数の和:6091

約数の個数: 32

約数和(自身を含む): 203600880

約数和(自身を除く): 113354840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 5683, 7940, 11366, 15880, 22732, 28415, 45464, 56830, 113660, 227320, 2256151, 4512302, 9024604, 11280755, 18049208, 22561510, 45123020, 90246040]

約数ペア:

[(1, 90246040), (2, 45123020), (4, 22561510), (5, 18049208), (8, 11280755), (10, 9024604), (20, 4512302), (40, 2256151), (397, 227320), (794, 113660), (1588, 56830), (1985, 45464), (3176, 28415), (3970, 22732), (5683, 15880), (7940, 11366)]