40138210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2971}}^1$

素因数の和:3178

約数の個数: 32

約数和(自身を含む): 83025792

約数和(自身を除く): 42887582

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1930, 2702, 2971, 5942, 6755, 13510, 14855, 20797, 29710, 41594, 103985, 207970, 573403, 1146806, 2867015, 4013821, 5734030, 8027642, 20069105, 40138210]

約数ペア:

[(1, 40138210), (2, 20069105), (5, 8027642), (7, 5734030), (10, 4013821), (14, 2867015), (35, 1146806), (70, 573403), (193, 207970), (386, 103985), (965, 41594), (1351, 29710), (1930, 20797), (2702, 14855), (2971, 13510), (5942, 6755)]