66989000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5153}}^1$

素因数の和:5187

約数の個数: 64

約数和(自身を含む): 168845040

約数和(自身を除く): 101856040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 5153, 6500, 10306, 13000, 20612, 25765, 41224, 51530, 66989, 103060, 128825, 133978, 206120, 257650, 267956, 334945, 515300, 535912, 644125, 669890, 1030600, 1288250, 1339780, 1674725, 2576500, 2679560, 3349450, 5153000, 6698900, 8373625, 13397800, 16747250, 33494500, 66989000]

約数ペア:

[(1, 66989000), (2, 33494500), (4, 16747250), (5, 13397800), (8, 8373625), (10, 6698900), (13, 5153000), (20, 3349450), (25, 2679560), (26, 2576500), (40, 1674725), (50, 1339780), (52, 1288250), (65, 1030600), (100, 669890), (104, 644125), (125, 535912), (130, 515300), (200, 334945), (250, 267956), (260, 257650), (325, 206120), (500, 133978), (520, 128825), (650, 103060), (1000, 66989), (1300, 51530), (1625, 41224), (2600, 25765), (3250, 20612), (5153, 13000), (6500, 10306)]