66992000

素因数分解:

$2^7\times 5^3\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 171849600

約数和(自身を除く): 104857600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 79, 80, 100, 106, 125, 128, 158, 160, 200, 212, 250, 265, 316, 320, 395, 400, 424, 500, 530, 632, 640, 790, 800, 848, 1000, 1060, 1264, 1325, 1580, 1600, 1696, 1975, 2000, 2120, 2528, 2650, 3160, 3200, 3392, 3950, 4000, 4187, 4240, 5056, 5300, 6320, 6625, 6784, 7900, 8000, 8374, 8480, 9875, 10112, 10600, 12640, 13250, 15800, 16000, 16748, 16960, 19750, 20935, 21200, 25280, 26500, 31600, 33496, 33920, 39500, 41870, 42400, 50560, 53000, 63200, 66992, 79000, 83740, 84800, 104675, 106000, 126400, 133984, 158000, 167480, 169600, 209350, 212000, 252800, 267968, 316000, 334960, 418700, 424000, 523375, 535936, 632000, 669920, 837400, 848000, 1046750, 1264000, 1339840, 1674800, 2093500, 2679680, 3349600, 4187000, 6699200, 8374000, 13398400, 16748000, 33496000, 66992000]

約数ペア:

[(1, 66992000), (2, 33496000), (4, 16748000), (5, 13398400), (8, 8374000), (10, 6699200), (16, 4187000), (20, 3349600), (25, 2679680), (32, 2093500), (40, 1674800), (50, 1339840), (53, 1264000), (64, 1046750), (79, 848000), (80, 837400), (100, 669920), (106, 632000), (125, 535936), (128, 523375), (158, 424000), (160, 418700), (200, 334960), (212, 316000), (250, 267968), (265, 252800), (316, 212000), (320, 209350), (395, 169600), (400, 167480), (424, 158000), (500, 133984), (530, 126400), (632, 106000), (640, 104675), (790, 84800), (800, 83740), (848, 79000), (1000, 66992), (1060, 63200), (1264, 53000), (1325, 50560), (1580, 42400), (1600, 41870), (1696, 39500), (1975, 33920), (2000, 33496), (2120, 31600), (2528, 26500), (2650, 25280), (3160, 21200), (3200, 20935), (3392, 19750), (3950, 16960), (4000, 16748), (4187, 16000), (4240, 15800), (5056, 13250), (5300, 12640), (6320, 10600), (6625, 10112), (6784, 9875), (7900, 8480), (8000, 8374)]