39974000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 160

約数和(自身を含む): 111421440

約数和(自身を除く): 71447440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 40, 44, 46, 50, 55, 79, 80, 88, 92, 100, 110, 115, 125, 158, 176, 184, 200, 220, 230, 250, 253, 275, 316, 368, 395, 400, 440, 460, 500, 506, 550, 575, 632, 790, 869, 880, 920, 1000, 1012, 1100, 1150, 1264, 1265, 1375, 1580, 1738, 1817, 1840, 1975, 2000, 2024, 2200, 2300, 2530, 2750, 2875, 3160, 3476, 3634, 3950, 4048, 4345, 4400, 4600, 5060, 5500, 5750, 6320, 6325, 6952, 7268, 7900, 8690, 9085, 9200, 9875, 10120, 11000, 11500, 12650, 13904, 14536, 15800, 17380, 18170, 19750, 19987, 20240, 21725, 22000, 23000, 25300, 29072, 31600, 31625, 34760, 36340, 39500, 39974, 43450, 45425, 46000, 50600, 63250, 69520, 72680, 79000, 79948, 86900, 90850, 99935, 101200, 108625, 126500, 145360, 158000, 159896, 173800, 181700, 199870, 217250, 227125, 253000, 319792, 347600, 363400, 399740, 434500, 454250, 499675, 506000, 726800, 799480, 869000, 908500, 999350, 1598960, 1738000, 1817000, 1998700, 2498375, 3634000, 3997400, 4996750, 7994800, 9993500, 19987000, 39974000]

約数ペア:

[(1, 39974000), (2, 19987000), (4, 9993500), (5, 7994800), (8, 4996750), (10, 3997400), (11, 3634000), (16, 2498375), (20, 1998700), (22, 1817000), (23, 1738000), (25, 1598960), (40, 999350), (44, 908500), (46, 869000), (50, 799480), (55, 726800), (79, 506000), (80, 499675), (88, 454250), (92, 434500), (100, 399740), (110, 363400), (115, 347600), (125, 319792), (158, 253000), (176, 227125), (184, 217250), (200, 199870), (220, 181700), (230, 173800), (250, 159896), (253, 158000), (275, 145360), (316, 126500), (368, 108625), (395, 101200), (400, 99935), (440, 90850), (460, 86900), (500, 79948), (506, 79000), (550, 72680), (575, 69520), (632, 63250), (790, 50600), (869, 46000), (880, 45425), (920, 43450), (1000, 39974), (1012, 39500), (1100, 36340), (1150, 34760), (1264, 31625), (1265, 31600), (1375, 29072), (1580, 25300), (1738, 23000), (1817, 22000), (1840, 21725), (1975, 20240), (2000, 19987), (2024, 19750), (2200, 18170), (2300, 17380), (2530, 15800), (2750, 14536), (2875, 13904), (3160, 12650), (3476, 11500), (3634, 11000), (3950, 10120), (4048, 9875), (4345, 9200), (4400, 9085), (4600, 8690), (5060, 7900), (5500, 7268), (5750, 6952), (6320, 6325)]