79120000

素因数分解:

$2^7\times 5^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 160

約数和(自身を含む): 210307680

約数和(自身を除く): 131187680

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, 320, 344, 368, 400, 430, 460, 500, 575, 625, 640, 688, 736, 800, 860, 920, 989, 1000, 1075, 1150, 1250, 1376, 1472, 1600, 1720, 1840, 1978, 2000, 2150, 2300, 2500, 2752, 2875, 2944, 3200, 3440, 3680, 3956, 4000, 4300, 4600, 4945, 5000, 5375, 5504, 5750, 6880, 7360, 7912, 8000, 8600, 9200, 9890, 10000, 10750, 11500, 13760, 14375, 14720, 15824, 16000, 17200, 18400, 19780, 20000, 21500, 23000, 24725, 26875, 27520, 28750, 31648, 34400, 36800, 39560, 40000, 43000, 46000, 49450, 53750, 57500, 63296, 68800, 73600, 79120, 80000, 86000, 92000, 98900, 107500, 115000, 123625, 126592, 137600, 158240, 172000, 184000, 197800, 215000, 230000, 247250, 316480, 344000, 368000, 395600, 430000, 460000, 494500, 618125, 632960, 688000, 791200, 860000, 920000, 989000, 1236250, 1582400, 1720000, 1840000, 1978000, 2472500, 3164800, 3440000, 3956000, 4945000, 7912000, 9890000, 15824000, 19780000, 39560000, 79120000]

約数ペア:

[(1, 79120000), (2, 39560000), (4, 19780000), (5, 15824000), (8, 9890000), (10, 7912000), (16, 4945000), (20, 3956000), (23, 3440000), (25, 3164800), (32, 2472500), (40, 1978000), (43, 1840000), (46, 1720000), (50, 1582400), (64, 1236250), (80, 989000), (86, 920000), (92, 860000), (100, 791200), (115, 688000), (125, 632960), (128, 618125), (160, 494500), (172, 460000), (184, 430000), (200, 395600), (215, 368000), (230, 344000), (250, 316480), (320, 247250), (344, 230000), (368, 215000), (400, 197800), (430, 184000), (460, 172000), (500, 158240), (575, 137600), (625, 126592), (640, 123625), (688, 115000), (736, 107500), (800, 98900), (860, 92000), (920, 86000), (989, 80000), (1000, 79120), (1075, 73600), (1150, 68800), (1250, 63296), (1376, 57500), (1472, 53750), (1600, 49450), (1720, 46000), (1840, 43000), (1978, 40000), (2000, 39560), (2150, 36800), (2300, 34400), (2500, 31648), (2752, 28750), (2875, 27520), (2944, 26875), (3200, 24725), (3440, 23000), (3680, 21500), (3956, 20000), (4000, 19780), (4300, 18400), (4600, 17200), (4945, 16000), (5000, 15824), (5375, 14720), (5504, 14375), (5750, 13760), (6880, 11500), (7360, 10750), (7912, 10000), (8000, 9890), (8600, 9200)]