51269660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6361}}^1$

素因数の和:6414

約数の個数: 48

約数和(自身を含む): 119707392

約数和(自身を除く): 68437732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 6361, 8060, 12722, 25444, 31805, 63610, 82693, 127220, 165386, 197191, 330772, 394382, 413465, 788764, 826930, 985955, 1653860, 1971910, 2563483, 3943820, 5126966, 10253932, 12817415, 25634830, 51269660]

約数ペア:

[(1, 51269660), (2, 25634830), (4, 12817415), (5, 10253932), (10, 5126966), (13, 3943820), (20, 2563483), (26, 1971910), (31, 1653860), (52, 985955), (62, 826930), (65, 788764), (124, 413465), (130, 394382), (155, 330772), (260, 197191), (310, 165386), (403, 127220), (620, 82693), (806, 63610), (1612, 31805), (2015, 25444), (4030, 12722), (6361, 8060)]