27639950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{3271}}^1$

素因数の和:3309

約数の個数: 36

約数和(自身を含む): 55686168

約数和(自身を除く): 28046218

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 3271, 4225, 6542, 8450, 16355, 32710, 42523, 81775, 85046, 163550, 212615, 425230, 552799, 1063075, 1105598, 2126150, 2763995, 5527990, 13819975, 27639950]

約数ペア:

[(1, 27639950), (2, 13819975), (5, 5527990), (10, 2763995), (13, 2126150), (25, 1105598), (26, 1063075), (50, 552799), (65, 425230), (130, 212615), (169, 163550), (325, 85046), (338, 81775), (650, 42523), (845, 32710), (1690, 16355), (3271, 8450), (4225, 6542)]