31648000

素因数分解:

$2^8\times 5^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 84180096

約数和(自身を除く): 52532096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 43, 46, 50, 64, 80, 86, 92, 100, 115, 125, 128, 160, 172, 184, 200, 215, 230, 250, 256, 320, 344, 368, 400, 430, 460, 500, 575, 640, 688, 736, 800, 860, 920, 989, 1000, 1075, 1150, 1280, 1376, 1472, 1600, 1720, 1840, 1978, 2000, 2150, 2300, 2752, 2875, 2944, 3200, 3440, 3680, 3956, 4000, 4300, 4600, 4945, 5375, 5504, 5750, 5888, 6400, 6880, 7360, 7912, 8000, 8600, 9200, 9890, 10750, 11008, 11500, 13760, 14720, 15824, 16000, 17200, 18400, 19780, 21500, 23000, 24725, 27520, 29440, 31648, 32000, 34400, 36800, 39560, 43000, 46000, 49450, 55040, 63296, 68800, 73600, 79120, 86000, 92000, 98900, 123625, 126592, 137600, 147200, 158240, 172000, 184000, 197800, 247250, 253184, 275200, 316480, 344000, 368000, 395600, 494500, 632960, 688000, 736000, 791200, 989000, 1265920, 1376000, 1582400, 1978000, 3164800, 3956000, 6329600, 7912000, 15824000, 31648000]

約数ペア:

[(1, 31648000), (2, 15824000), (4, 7912000), (5, 6329600), (8, 3956000), (10, 3164800), (16, 1978000), (20, 1582400), (23, 1376000), (25, 1265920), (32, 989000), (40, 791200), (43, 736000), (46, 688000), (50, 632960), (64, 494500), (80, 395600), (86, 368000), (92, 344000), (100, 316480), (115, 275200), (125, 253184), (128, 247250), (160, 197800), (172, 184000), (184, 172000), (200, 158240), (215, 147200), (230, 137600), (250, 126592), (256, 123625), (320, 98900), (344, 92000), (368, 86000), (400, 79120), (430, 73600), (460, 68800), (500, 63296), (575, 55040), (640, 49450), (688, 46000), (736, 43000), (800, 39560), (860, 36800), (920, 34400), (989, 32000), (1000, 31648), (1075, 29440), (1150, 27520), (1280, 24725), (1376, 23000), (1472, 21500), (1600, 19780), (1720, 18400), (1840, 17200), (1978, 16000), (2000, 15824), (2150, 14720), (2300, 13760), (2752, 11500), (2875, 11008), (2944, 10750), (3200, 9890), (3440, 9200), (3680, 8600), (3956, 8000), (4000, 7912), (4300, 7360), (4600, 6880), (4945, 6400), (5375, 5888), (5504, 5750)]