28804750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8863}}^1$

素因数の和:8893

約数の個数: 32

約数和(自身を含む): 58076928

約数和(自身を除く): 29272178

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 8863, 17726, 44315, 88630, 115219, 221575, 230438, 443150, 576095, 1107875, 1152190, 2215750, 2880475, 5760950, 14402375, 28804750]

約数ペア:

[(1, 28804750), (2, 14402375), (5, 5760950), (10, 2880475), (13, 2215750), (25, 1152190), (26, 1107875), (50, 576095), (65, 443150), (125, 230438), (130, 221575), (250, 115219), (325, 88630), (650, 44315), (1625, 17726), (3250, 8863)]