79289860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{304961}}^1$

素因数の和:304983

約数の個数: 24

約数和(自身を含む): 179317656

約数和(自身を除く): 100027796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 304961, 609922, 1219844, 1524805, 3049610, 3964493, 6099220, 7928986, 15857972, 19822465, 39644930, 79289860]

約数ペア:

[(1, 79289860), (2, 39644930), (4, 19822465), (5, 15857972), (10, 7928986), (13, 6099220), (20, 3964493), (26, 3049610), (52, 1524805), (65, 1219844), (130, 609922), (260, 304961)]