9855760

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{353}}^1$

素因数の和:715

約数の個数: 40

約数和(自身を含む): 23045400

約数和(自身を除く): 13189640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 353, 698, 706, 1396, 1412, 1745, 1765, 2792, 2824, 3490, 3530, 5584, 5648, 6980, 7060, 13960, 14120, 27920, 28240, 123197, 246394, 492788, 615985, 985576, 1231970, 1971152, 2463940, 4927880, 9855760]

約数ペア:

[(1, 9855760), (2, 4927880), (4, 2463940), (5, 1971152), (8, 1231970), (10, 985576), (16, 615985), (20, 492788), (40, 246394), (80, 123197), (349, 28240), (353, 27920), (698, 14120), (706, 13960), (1396, 7060), (1412, 6980), (1745, 5648), (1765, 5584), (2792, 3530), (2824, 3490)]