4025000

素因数分解:

$2^3\times 5^5\times 7^1\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 96

約数和(自身を含む): 11249280

約数和(自身を除く): 7224280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 125, 140, 161, 175, 184, 200, 230, 250, 280, 322, 350, 460, 500, 575, 625, 644, 700, 805, 875, 920, 1000, 1150, 1250, 1288, 1400, 1610, 1750, 2300, 2500, 2875, 3125, 3220, 3500, 4025, 4375, 4600, 5000, 5750, 6250, 6440, 7000, 8050, 8750, 11500, 12500, 14375, 16100, 17500, 20125, 21875, 23000, 25000, 28750, 32200, 35000, 40250, 43750, 57500, 71875, 80500, 87500, 100625, 115000, 143750, 161000, 175000, 201250, 287500, 402500, 503125, 575000, 805000, 1006250, 2012500, 4025000]

約数ペア:

[(1, 4025000), (2, 2012500), (4, 1006250), (5, 805000), (7, 575000), (8, 503125), (10, 402500), (14, 287500), (20, 201250), (23, 175000), (25, 161000), (28, 143750), (35, 115000), (40, 100625), (46, 87500), (50, 80500), (56, 71875), (70, 57500), (92, 43750), (100, 40250), (115, 35000), (125, 32200), (140, 28750), (161, 25000), (175, 23000), (184, 21875), (200, 20125), (230, 17500), (250, 16100), (280, 14375), (322, 12500), (350, 11500), (460, 8750), (500, 8050), (575, 7000), (625, 6440), (644, 6250), (700, 5750), (805, 5000), (875, 4600), (920, 4375), (1000, 4025), (1150, 3500), (1250, 3220), (1288, 3125), (1400, 2875), (1610, 2500), (1750, 2300)]