2018213080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1\times {\mathrm{3011}}^1$

素因数の和:4324

約数の個数: 64

約数和(自身を含む): 4895704800

約数和(自身を除く): 2877491720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1289, 2578, 3011, 5156, 6022, 6445, 10312, 12044, 12890, 15055, 16757, 24088, 25780, 30110, 33514, 39143, 51560, 60220, 67028, 78286, 83785, 120440, 134056, 156572, 167570, 195715, 313144, 335140, 391430, 670280, 782860, 1565720, 3881179, 7762358, 15524716, 19405895, 31049432, 38811790, 50455327, 77623580, 100910654, 155247160, 201821308, 252276635, 403642616, 504553270, 1009106540, 2018213080]

約数ペア:

[(1, 2018213080), (2, 1009106540), (4, 504553270), (5, 403642616), (8, 252276635), (10, 201821308), (13, 155247160), (20, 100910654), (26, 77623580), (40, 50455327), (52, 38811790), (65, 31049432), (104, 19405895), (130, 15524716), (260, 7762358), (520, 3881179), (1289, 1565720), (2578, 782860), (3011, 670280), (5156, 391430), (6022, 335140), (6445, 313144), (10312, 195715), (12044, 167570), (12890, 156572), (15055, 134056), (16757, 120440), (24088, 83785), (25780, 78286), (30110, 67028), (33514, 60220), (39143, 51560)]