27399040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1431

約数の個数: 64

約数和(自身を含む): 67662720

約数和(自身を除く): 40263680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1381, 1984, 2480, 2762, 3968, 4960, 5524, 6905, 9920, 11048, 13810, 19840, 22096, 27620, 42811, 44192, 55240, 85622, 88384, 110480, 171244, 176768, 214055, 220960, 342488, 428110, 441920, 684976, 856220, 883840, 1369952, 1712440, 2739904, 3424880, 5479808, 6849760, 13699520, 27399040]

約数ペア:

[(1, 27399040), (2, 13699520), (4, 6849760), (5, 5479808), (8, 3424880), (10, 2739904), (16, 1712440), (20, 1369952), (31, 883840), (32, 856220), (40, 684976), (62, 441920), (64, 428110), (80, 342488), (124, 220960), (128, 214055), (155, 176768), (160, 171244), (248, 110480), (310, 88384), (320, 85622), (496, 55240), (620, 44192), (640, 42811), (992, 27620), (1240, 22096), (1381, 19840), (1984, 13810), (2480, 11048), (2762, 9920), (3968, 6905), (4960, 5524)]