51979720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99961}}^1$

素因数の和:99985

約数の個数: 32

約数和(自身を含む): 125952120

約数和(自身を除く): 73972400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 99961, 199922, 399844, 499805, 799688, 999610, 1299493, 1999220, 2598986, 3998440, 5197972, 6497465, 10395944, 12994930, 25989860, 51979720]

約数ペア:

[(1, 51979720), (2, 25989860), (4, 12994930), (5, 10395944), (8, 6497465), (10, 5197972), (13, 3998440), (20, 2598986), (26, 1999220), (40, 1299493), (52, 999610), (65, 799688), (104, 499805), (130, 399844), (260, 199922), (520, 99961)]