131716240

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{9859}}^1$

素因数の和:10039

約数の個数: 40

約数和(自身を含む): 308105280

約数和(自身を除く): 176389040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 6680, 9859, 13360, 19718, 39436, 49295, 78872, 98590, 157744, 197180, 394360, 788720, 1646453, 3292906, 6585812, 8232265, 13171624, 16464530, 26343248, 32929060, 65858120, 131716240]

約数ペア:

[(1, 131716240), (2, 65858120), (4, 32929060), (5, 26343248), (8, 16464530), (10, 13171624), (16, 8232265), (20, 6585812), (40, 3292906), (80, 1646453), (167, 788720), (334, 394360), (668, 197180), (835, 157744), (1336, 98590), (1670, 78872), (2672, 49295), (3340, 39436), (6680, 19718), (9859, 13360)]