131050240

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2381}}^1$

素因数の和:2445

約数の個数: 72

約数和(自身を含む): 321341328

約数和(自身を除く): 190291088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1376, 1720, 2381, 2752, 3440, 4762, 5504, 6880, 9524, 11008, 11905, 13760, 19048, 23810, 27520, 38096, 47620, 55040, 76192, 95240, 102383, 152384, 190480, 204766, 304768, 380960, 409532, 511915, 609536, 761920, 819064, 1023830, 1523840, 1638128, 2047660, 3047680, 3276256, 4095320, 6552512, 8190640, 13105024, 16381280, 26210048, 32762560, 65525120, 131050240]

約数ペア:

[(1, 131050240), (2, 65525120), (4, 32762560), (5, 26210048), (8, 16381280), (10, 13105024), (16, 8190640), (20, 6552512), (32, 4095320), (40, 3276256), (43, 3047680), (64, 2047660), (80, 1638128), (86, 1523840), (128, 1023830), (160, 819064), (172, 761920), (215, 609536), (256, 511915), (320, 409532), (344, 380960), (430, 304768), (640, 204766), (688, 190480), (860, 152384), (1280, 102383), (1376, 95240), (1720, 76192), (2381, 55040), (2752, 47620), (3440, 38096), (4762, 27520), (5504, 23810), (6880, 19048), (9524, 13760), (11008, 11905)]