123460220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{474847}}^1$

素因数の和:474869

約数の個数: 24

約数和(自身を含む): 279210624

約数和(自身を除く): 155750404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 474847, 949694, 1899388, 2374235, 4748470, 6173011, 9496940, 12346022, 24692044, 30865055, 61730110, 123460220]

約数ペア:

[(1, 123460220), (2, 61730110), (4, 30865055), (5, 24692044), (10, 12346022), (13, 9496940), (20, 6173011), (26, 4748470), (52, 2374235), (65, 1899388), (130, 949694), (260, 474847)]