164032180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{630893}}^1$

素因数の和:630915

約数の個数: 24

約数和(自身を含む): 370965672

約数和(自身を除く): 206933492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 630893, 1261786, 2523572, 3154465, 6308930, 8201609, 12617860, 16403218, 32806436, 41008045, 82016090, 164032180]

約数ペア:

[(1, 164032180), (2, 82016090), (4, 41008045), (5, 32806436), (10, 16403218), (13, 12617860), (20, 8201609), (26, 6308930), (52, 3154465), (65, 2523572), (130, 1261786), (260, 630893)]