200639660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{771691}}^1$

素因数の和:771713

約数の個数: 24

約数和(自身を含む): 453754896

約数和(自身を除く): 253115236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 771691, 1543382, 3086764, 3858455, 7716910, 10031983, 15433820, 20063966, 40127932, 50159915, 100319830, 200639660]

約数ペア:

[(1, 200639660), (2, 100319830), (4, 50159915), (5, 40127932), (10, 20063966), (13, 15433820), (20, 10031983), (26, 7716910), (52, 3858455), (65, 3086764), (130, 1543382), (260, 771691)]