12995000

素因数分解:

$2^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 32052240

約数和(自身を除く): 19057240

約数列:

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

約数ペア:

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