67649660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{260191}}^1$

素因数の和:260213

約数の個数: 24

約数和(自身を含む): 152992896

約数和(自身を除く): 85343236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 260191, 520382, 1040764, 1300955, 2601910, 3382483, 5203820, 6764966, 13529932, 16912415, 33824830, 67649660]

約数ペア:

[(1, 67649660), (2, 33824830), (4, 16912415), (5, 13529932), (10, 6764966), (13, 5203820), (20, 3382483), (26, 2601910), (52, 1300955), (65, 1040764), (130, 520382), (260, 260191)]