38639960

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3673}}^1$

素因数の和:3947

約数の個数: 32

約数和(自身を含む): 87294240

約数和(自身を除く): 48654280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 3673, 5260, 7346, 10520, 14692, 18365, 29384, 36730, 73460, 146920, 965999, 1931998, 3863996, 4829995, 7727992, 9659990, 19319980, 38639960]

約数ペア:

[(1, 38639960), (2, 19319980), (4, 9659990), (5, 7727992), (8, 4829995), (10, 3863996), (20, 1931998), (40, 965999), (263, 146920), (526, 73460), (1052, 36730), (1315, 29384), (2104, 18365), (2630, 14692), (3673, 10520), (5260, 7346)]