53538657280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{5231}}^1$

素因数の和:7255

約数の個数: 88

約数和(自身を含む): 128518848000

約数和(自身を除く): 74980190720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1999, 2560, 3998, 5120, 5231, 7996, 9995, 10462, 15992, 19990, 20924, 26155, 31984, 39980, 41848, 52310, 63968, 79960, 83696, 104620, 127936, 159920, 167392, 209240, 255872, 319840, 334784, 418480, 511744, 639680, 669568, 836960, 1023488, 1279360, 1339136, 1673920, 2046976, 2558720, 2678272, 3347840, 5117440, 5356544, 6695680, 10234880, 10456769, 13391360, 20913538, 26782720, 41827076, 52283845, 83654152, 104567690, 167308304, 209135380, 334616608, 418270760, 669233216, 836541520, 1338466432, 1673083040, 2676932864, 3346166080, 5353865728, 6692332160, 10707731456, 13384664320, 26769328640, 53538657280]

約数ペア:

[(1, 53538657280), (2, 26769328640), (4, 13384664320), (5, 10707731456), (8, 6692332160), (10, 5353865728), (16, 3346166080), (20, 2676932864), (32, 1673083040), (40, 1338466432), (64, 836541520), (80, 669233216), (128, 418270760), (160, 334616608), (256, 209135380), (320, 167308304), (512, 104567690), (640, 83654152), (1024, 52283845), (1280, 41827076), (1999, 26782720), (2560, 20913538), (3998, 13391360), (5120, 10456769), (5231, 10234880), (7996, 6695680), (9995, 5356544), (10462, 5117440), (15992, 3347840), (19990, 2678272), (20924, 2558720), (26155, 2046976), (31984, 1673920), (39980, 1339136), (41848, 1279360), (52310, 1023488), (63968, 836960), (79960, 669568), (83696, 639680), (104620, 511744), (127936, 418480), (159920, 334784), (167392, 319840), (209240, 255872)]