51992720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49993}}^1$

素因数の和:50019

約数の個数: 40

約数和(自身を含む): 130184376

約数和(自身を除く): 78191656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49993, 99986, 199972, 249965, 399944, 499930, 649909, 799888, 999860, 1299818, 1999720, 2599636, 3249545, 3999440, 5199272, 6499090, 10398544, 12998180, 25996360, 51992720]

約数ペア:

[(1, 51992720), (2, 25996360), (4, 12998180), (5, 10398544), (8, 6499090), (10, 5199272), (13, 3999440), (16, 3249545), (20, 2599636), (26, 1999720), (40, 1299818), (52, 999860), (65, 799888), (80, 649909), (104, 499930), (130, 399944), (208, 249965), (260, 199972), (520, 99986), (1040, 49993)]