123504680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{237509}}^1$

素因数の和:237533

約数の個数: 32

約数和(自身を含む): 299262600

約数和(自身を除く): 175757920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 237509, 475018, 950036, 1187545, 1900072, 2375090, 3087617, 4750180, 6175234, 9500360, 12350468, 15438085, 24700936, 30876170, 61752340, 123504680]

約数ペア:

[(1, 123504680), (2, 61752340), (4, 30876170), (5, 24700936), (8, 15438085), (10, 12350468), (13, 9500360), (20, 6175234), (26, 4750180), (40, 3087617), (52, 2375090), (65, 1900072), (104, 1187545), (130, 950036), (260, 475018), (520, 237509)]