98779720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{189961}}^1$

素因数の和:189985

約数の個数: 32

約数和(自身を含む): 239352120

約数和(自身を除く): 140572400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 189961, 379922, 759844, 949805, 1519688, 1899610, 2469493, 3799220, 4938986, 7598440, 9877972, 12347465, 19755944, 24694930, 49389860, 98779720]

約数ペア:

[(1, 98779720), (2, 49389860), (4, 24694930), (5, 19755944), (8, 12347465), (10, 9877972), (13, 7598440), (20, 4938986), (26, 3799220), (40, 2469493), (52, 1899610), (65, 1519688), (104, 949805), (130, 759844), (260, 379922), (520, 189961)]