64975000

素因数分解:

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

素因数の和:167

約数の個数: 96

約数和(自身を含む): 160302240

約数和(自身を除く): 95327240

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, 3125, 4520, 4600, 5000, 5198, 5650, 5750, 6250, 10396, 11300, 11500, 12500, 12995, 14125, 14375, 20792, 22600, 23000, 25000, 25990, 28250, 28750, 51980, 56500, 57500, 64975, 70625, 71875, 103960, 113000, 115000, 129950, 141250, 143750, 259900, 282500, 287500, 324875, 353125, 519800, 565000, 575000, 649750, 706250, 1299500, 1412500, 1624375, 2599000, 2825000, 3248750, 6497500, 8121875, 12995000, 16243750, 32487500, 64975000]

約数ペア:

[(1, 64975000), (2, 32487500), (4, 16243750), (5, 12995000), (8, 8121875), (10, 6497500), (20, 3248750), (23, 2825000), (25, 2599000), (40, 1624375), (46, 1412500), (50, 1299500), (92, 706250), (100, 649750), (113, 575000), (115, 565000), (125, 519800), (184, 353125), (200, 324875), (226, 287500), (230, 282500), (250, 259900), (452, 143750), (460, 141250), (500, 129950), (565, 115000), (575, 113000), (625, 103960), (904, 71875), (920, 70625), (1000, 64975), (1130, 57500), (1150, 56500), (1250, 51980), (2260, 28750), (2300, 28250), (2500, 25990), (2599, 25000), (2825, 23000), (2875, 22600), (3125, 20792), (4520, 14375), (4600, 14125), (5000, 12995), (5198, 12500), (5650, 11500), (5750, 11300), (6250, 10396)]