51113140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2693}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 117221328

約数和(自身を除く): 66108188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 2693, 3796, 4745, 5386, 9490, 10772, 13465, 18980, 26930, 35009, 53860, 70018, 140036, 175045, 196589, 350090, 393178, 700180, 786356, 982945, 1965890, 2555657, 3931780, 5111314, 10222628, 12778285, 25556570, 51113140]

約数ペア:

[(1, 51113140), (2, 25556570), (4, 12778285), (5, 10222628), (10, 5111314), (13, 3931780), (20, 2555657), (26, 1965890), (52, 982945), (65, 786356), (73, 700180), (130, 393178), (146, 350090), (260, 196589), (292, 175045), (365, 140036), (730, 70018), (949, 53860), (1460, 35009), (1898, 26930), (2693, 18980), (3796, 13465), (4745, 10772), (5386, 9490)]