1949261320

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{185291}}^1$

素因数の和:185565

約数の個数: 32

約数和(自身を含む): 4402537920

約数和(自身を除く): 2453276600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 185291, 370582, 741164, 926455, 1482328, 1852910, 3705820, 7411640, 48731533, 97463066, 194926132, 243657665, 389852264, 487315330, 974630660, 1949261320]

約数ペア:

[(1, 1949261320), (2, 974630660), (4, 487315330), (5, 389852264), (8, 243657665), (10, 194926132), (20, 97463066), (40, 48731533), (263, 7411640), (526, 3705820), (1052, 1852910), (1315, 1482328), (2104, 926455), (2630, 741164), (5260, 370582), (10520, 185291)]