68624660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263941}}^1$

素因数の和:263963

約数の個数: 24

約数和(自身を含む): 155197896

約数和(自身を除く): 86573236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263941, 527882, 1055764, 1319705, 2639410, 3431233, 5278820, 6862466, 13724932, 17156165, 34312330, 68624660]

約数ペア:

[(1, 68624660), (2, 34312330), (4, 17156165), (5, 13724932), (10, 6862466), (13, 5278820), (20, 3431233), (26, 2639410), (52, 1319705), (65, 1055764), (130, 527882), (260, 263941)]