25990000

素因数分解:

$2^4\times 5^4\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:164

約数の個数: 100

約数和(自身を含む): 66241296

約数和(自身を除く): 40251296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 113, 115, 125, 184, 200, 226, 230, 250, 368, 400, 452, 460, 500, 565, 575, 625, 904, 920, 1000, 1130, 1150, 1250, 1808, 1840, 2000, 2260, 2300, 2500, 2599, 2825, 2875, 4520, 4600, 5000, 5198, 5650, 5750, 9040, 9200, 10000, 10396, 11300, 11500, 12995, 14125, 14375, 20792, 22600, 23000, 25990, 28250, 28750, 41584, 45200, 46000, 51980, 56500, 57500, 64975, 70625, 103960, 113000, 115000, 129950, 141250, 207920, 226000, 230000, 259900, 282500, 324875, 519800, 565000, 649750, 1039600, 1130000, 1299500, 1624375, 2599000, 3248750, 5198000, 6497500, 12995000, 25990000]

約数ペア:

[(1, 25990000), (2, 12995000), (4, 6497500), (5, 5198000), (8, 3248750), (10, 2599000), (16, 1624375), (20, 1299500), (23, 1130000), (25, 1039600), (40, 649750), (46, 565000), (50, 519800), (80, 324875), (92, 282500), (100, 259900), (113, 230000), (115, 226000), (125, 207920), (184, 141250), (200, 129950), (226, 115000), (230, 113000), (250, 103960), (368, 70625), (400, 64975), (452, 57500), (460, 56500), (500, 51980), (565, 46000), (575, 45200), (625, 41584), (904, 28750), (920, 28250), (1000, 25990), (1130, 23000), (1150, 22600), (1250, 20792), (1808, 14375), (1840, 14125), (2000, 12995), (2260, 11500), (2300, 11300), (2500, 10396), (2599, 10000), (2825, 9200), (2875, 9040), (4520, 5750), (4600, 5650), (5000, 5198)]