205738240

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2399}}^1$

素因数の和:2487

約数の個数: 72

約数和(自身を含む): 500371200

約数和(自身を除く): 294632960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 536, 640, 670, 1072, 1280, 1340, 2144, 2399, 2680, 4288, 4798, 5360, 8576, 9596, 10720, 11995, 17152, 19192, 21440, 23990, 38384, 42880, 47980, 76768, 85760, 95960, 153536, 160733, 191920, 307072, 321466, 383840, 614144, 642932, 767680, 803665, 1285864, 1535360, 1607330, 2571728, 3070720, 3214660, 5143456, 6429320, 10286912, 12858640, 20573824, 25717280, 41147648, 51434560, 102869120, 205738240]

約数ペア:

[(1, 205738240), (2, 102869120), (4, 51434560), (5, 41147648), (8, 25717280), (10, 20573824), (16, 12858640), (20, 10286912), (32, 6429320), (40, 5143456), (64, 3214660), (67, 3070720), (80, 2571728), (128, 1607330), (134, 1535360), (160, 1285864), (256, 803665), (268, 767680), (320, 642932), (335, 614144), (536, 383840), (640, 321466), (670, 307072), (1072, 191920), (1280, 160733), (1340, 153536), (2144, 95960), (2399, 85760), (2680, 76768), (4288, 47980), (4798, 42880), (5360, 38384), (8576, 23990), (9596, 21440), (10720, 19192), (11995, 17152)]