28250000

素因数分解:

$2^4\times 5^6\times {\mathrm{113}}^1$

素因数の和:151

約数の個数: 70

約数和(自身を含む): 69022554

約数和(自身を除く): 40772554

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 113, 125, 200, 226, 250, 400, 452, 500, 565, 625, 904, 1000, 1130, 1250, 1808, 2000, 2260, 2500, 2825, 3125, 4520, 5000, 5650, 6250, 9040, 10000, 11300, 12500, 14125, 15625, 22600, 25000, 28250, 31250, 45200, 50000, 56500, 62500, 70625, 113000, 125000, 141250, 226000, 250000, 282500, 353125, 565000, 706250, 1130000, 1412500, 1765625, 2825000, 3531250, 5650000, 7062500, 14125000, 28250000]

約数ペア:

[(1, 28250000), (2, 14125000), (4, 7062500), (5, 5650000), (8, 3531250), (10, 2825000), (16, 1765625), (20, 1412500), (25, 1130000), (40, 706250), (50, 565000), (80, 353125), (100, 282500), (113, 250000), (125, 226000), (200, 141250), (226, 125000), (250, 113000), (400, 70625), (452, 62500), (500, 56500), (565, 50000), (625, 45200), (904, 31250), (1000, 28250), (1130, 25000), (1250, 22600), (1808, 15625), (2000, 14125), (2260, 12500), (2500, 11300), (2825, 10000), (3125, 9040), (4520, 6250), (5000, 5650)]